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Amazon Fba

Inventory Hero articles on amazon fba — practical guidance for Amazon FBA sellers.

  • July 8, 2026·6 min read

    Amazon AWD Drops Oversize and Bulky Items July 2026

    Amazon AWD stops accepting oversize and bulky items on July 31, 2026, reverting to sortable-only. What changes and what to do with existing AWD stock.

  • July 1, 2026·5 min read

    AI vs Traditional Inventory Management: Honest Guide

    AI vs traditional inventory management: where machine learning wins, where spreadsheets and statistics still hold up, and how to choose.

  • July 1, 2026·5 min read

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ChatGPT Prompts for Amazon Sellers That Actually Help

Practical ChatGPT prompts for Amazon FBA sellers: listings, keyword research, reviews, PPC, and ops, plus how to keep answers accurate.

  • June 30, 2026·5 min read

    AI Demand Forecasting for Sellers: An Honest Guide

    AI demand forecasting uses machine learning to predict sales, but the gains depend on your data. What the research shows works for sellers, and when.

  • June 28, 2026·5 min read

    How to Automate Your Amazon FBA Business the Safe Way

    Amazon FBA automation means tools that handle repetitive tasks, not a done-for-you store. What is safe to automate, what is a scam, what needs you.

  • June 26, 2026·5 min read

    Conversational Analytics for FBA: Just Ask Your Data

    Conversational analytics lets you ask your Amazon business questions in plain language. How it works for FBA, and where it helps most.

  • June 22, 2026·5 min read

    The AI Employee for Your FBA Business: A Reality Check

    An AI employee for your FBA business is a supervised assistant that drafts and flags work, not an autonomous hire. What it does, and what needs you.

  • June 21, 2026·5 min read

    PPC Inventory Planning: Don't Advertise a Stockout

    PPC inventory planning: align Amazon ad spend with your days of cover so you never pay to accelerate demand into a stockout you cannot restock from.

  • June 20, 2026·5 min read

    AI Inventory Management for FBA: The 2026 Playbook

    AI inventory management uses machine learning and AI assistants to forecast demand and flag reorders. What is real in 2026, and how to use it.

  • June 20, 2026·5 min read

    Amazon FBA Inventory Statistics That Actually Matter

    The FBA inventory statistics that move your business are your own: turnover, sell-through, IPI, stockouts, returns. What each tells you and how to read it.

  • June 20, 2026·5 min read

    FBA Sales Tax: What Sellers Need to Know in 2026

    How sales tax works for Amazon FBA: nexus, marketplace facilitator laws, what Amazon collects for you, and what you may still owe. Not tax advice.

  • June 18, 2026·10 min read

    FBA vs FBM: Which Amazon Fulfillment Model Wins?

    FBA vs FBM compared on real 2026 fees, the Buy Box, and Prime, with two worked cost examples so you can pick the right Amazon fulfillment model per SKU.

  • June 18, 2026·5 min read

    MCP for Amazon Sellers: Talk to Your Inventory Data

    MCP (Model Context Protocol) lets an AI assistant securely query your Amazon business data. What MCP is, how it works, and what it means for FBA.

  • June 12, 2026·7 min read

    Amazon Rufus Explained: What FBA Sellers Must Know

    Amazon Rufus is Amazon's generative AI shopping assistant, now part of Alexa for Shopping. How it works, how it surfaces products, and what sellers do.

  • June 12, 2026·5 min read

    The Apparel Supply Chain: Inventory Challenges and Fixes

    The apparel supply chain is uniquely hard: size variants multiply SKUs, seasons compress the window, returns distort demand. The challenges and the fixes.

  • June 11, 2026·5 min read

    TikTok Shop Inventory: Managing It Alongside Amazon

    TikTok Shop adds a channel where demand can spike overnight. How to manage its inventory, sync it with your Amazon stock, and plan for viral volatility.

  • June 10, 2026·5 min read

    Inventory Turnover Benchmarks by Industry, Explained

    Inventory turnover benchmarks vary widely by category. Rough ranges by product type, why they differ, and how to set your own target as an FBA seller.

  • June 10, 2026·5 min read

    Multichannel Inventory Management for Amazon Sellers

    Multichannel inventory management keeps one stock pool honest across Amazon and other channels. The overselling risk, syncing, and buffer allocation.

  • June 9, 2026·4 min read

    Connect Claude to Your Amazon FBA Business with Inventory Hero's MCP

    Connect Claude to your Inventory Hero account with our MCP server and ask about your live Amazon FBA inventory, sales, suppliers, and restock plan in plain English. Here's how to set it up in about a minute.

  • June 8, 2026·5 min read

    Inventory Metrics: Leading vs Lagging Indicators

    Not all inventory metrics are equal. Which ones warn you before a stockout (leading) and which grade you after (lagging), for FBA sellers.

  • June 4, 2026·5 min read

    Inventory Labeling: SKUs, Barcodes, and FBA Rules

    Inventory labeling gives every unit an identity you can track. SKUs, UPC vs FNSKU, lot and location labels, and the FBA rules that prevent stranded stock.

  • June 2, 2026·5 min read

    Stock Management: The Day-to-Day Inventory Control Loop

    Stock management is the ongoing practice of keeping the right amount of inventory. The control loop, the two failures it prevents, and how to run it.

  • June 1, 2026·5 min read

    Inventory Management Techniques Every Seller Should Know

    The core inventory management techniques, from ABC analysis and reorder points to JIT and cycle counting, and when each earns its place.

  • May 27, 2026·12 min read

    How to Get Your Trump Tariff Refund: An Amazon Seller's Step-by-Step Guide to the IEEPA CAPE Process

    The Supreme Court struck down the IEEPA tariffs. CBP is now refunding them through the CAPE tool in ACE. Here is exactly who is eligible, who is not, and how I got $25,242 back (with interest), with the forms, links, and pitfalls in one place.

  • May 25, 2026·5 min read

    Bulk Upload Inventory to Amazon: Files and Best Practices

    Bulk uploading inventory to Amazon uses flat files to create or update many listings at once. How the files work, common errors, and how to upload cleanly.

  • May 23, 2026·10 min read

    Amazon FBA Stockout Prevention: A Seller's Playbook for Never Going to Zero

    A complete system for preventing Amazon FBA stockouts: how to calculate sales velocity, safety stock, reorder points, and reorder quantities, with the exact formulas and a weekly process you can run today.

  • May 23, 2026·5 min read

    Amazon Inventory Alerts: Never Get Surprised Again

    Amazon inventory alerts warn you before you stock out, age into fees, or strand stock. What to alert on, how to set them up, and how to set thresholds.

  • May 22, 2026·5 min read

    Managing Amazon Inventory in Excel: A Practical Setup

    How to track Amazon FBA inventory in Excel: the columns, the formulas for days of supply and reorder points, and when to graduate to software.

  • May 21, 2026·5 min read

    Replenishment Planning: Keeping Stock at the Right Level

    Replenishment planning is the process of restocking to hold target levels without stocking out or overbuying. The inputs, the cadence, and how to run it.

  • May 20, 2026·5 min read

    Inventory Reduction: Freeing Cash Without Stocking Out

    Inventory reduction frees the cash trapped in excess stock without causing stockouts. How to find what to cut, clear it, and reorder tighter going forward.

  • May 13, 2026·5 min read

    Calculating Ending Inventory: Formula, Methods, Mistakes

    Calculating ending inventory: beginning inventory plus purchases minus COGS, or a physical count. The formula, methods, and why it drives your COGS.

  • May 10, 2026·5 min read

    Overhead Cost for Amazon Sellers: What Counts and Why

    Overhead cost is the indirect expense not tied to a unit: software, salaries, rent. Why it is separate from COGS, and how to fold it into true net margin.

  • May 9, 2026·7 min read

    Amazon Seller Accounting: What Makes It Different

    Amazon seller accounting has quirks: settlements, fees, inventory as an asset, and COGS timing. What to track, cash vs accrual, and when to get a pro.

  • May 8, 2026·5 min read

    Inventory Journal Entries: Debits, Credits, Examples

    Inventory journal entries record buying, selling, and adjusting stock. The standard debits and credits for each, with worked examples for Amazon sellers.

  • May 7, 2026·5 min read

    Inventory Valuation: FIFO, LIFO, and Weighted Average

    Inventory valuation decides which cost flows to COGS: FIFO, LIFO, or weighted average. What each means, how it moves profit, and which fits FBA.

  • May 6, 2026·5 min read

    Inventory Accounting for FBA: Assets, COGS, and Timing

    Inventory accounting treats stock as an asset until it sells, then expenses it as COGS. The core flow, perpetual vs periodic, and why timing matters.

  • April 29, 2026·5 min read

    Amazon Inbound Shipment: The Workflow and Pitfalls

    An Amazon inbound shipment sends inventory into FBA. The workflow step by step, placement and fees, and the receiving problems that cost sellers units.

  • April 28, 2026·5 min read

    How to Liquidate Amazon Inventory: Options and Trade-offs

    Liquidating Amazon inventory clears dead stock for a small recovery. Amazon's Liquidations program, third-party options, and when each beats removal.

  • April 27, 2026·5 min read

    Amazon Return Rate: How to Measure and Reduce It

    Your Amazon return rate is returns divided by orders. How to find it, what is normal by category, and the levers that actually bring it down.

  • April 26, 2026·5 min read

    Commingled Inventory on Amazon: The Risks Explained

    Commingled (stickerless) inventory pools your units with other sellers. What it is, the counterfeit and quality risks, and why most brands avoid it.

  • April 25, 2026·5 min read

    FBA Inventory Report: Which One Tells You What You Need

    Amazon has several FBA inventory reports. What Manage FBA Inventory, the Inventory Ledger, age, and restock reports each show, and which to use for what.

  • April 24, 2026·5 min read

    FBA Removal Order: When and How to Clear Inventory

    An FBA removal order returns, disposes of, or liquidates your inventory at Amazon. When to use one, the fees, and how to choose the disposition.

  • April 23, 2026·5 min read

    Prep Center vs 3PL: Which One Does Your FBA Business Need?

    Prep center vs 3PL: a prep center gets inventory FBA-ready; a 3PL also stores and fulfills across channels. What each does and which fits your needs.

  • April 22, 2026·5 min read

    When to Use a 3PL as an Amazon FBA Seller (and When Not)

    When to use a 3PL as an FBA seller: multi-channel, FBA overflow, custom prep, and bulk buys are the clear signals. And when to skip it.

  • April 21, 2026·5 min read

    Multi-Location Inventory Tracking for FBA Sellers

    Multi-location inventory tracking for FBA: what to track across FBA, AWD, and a 3PL, why total position drives reordering, and how to keep it accurate.

  • April 20, 2026·5 min read

    3PL Costs: The Fee Structure and How to Compare Quotes

    3PL costs break into receiving, storage, pick-and-pack, shipping, and returns fees. What each covers, the hidden ones, and how to compare quotes.

  • April 19, 2026·5 min read

    How to Choose a 3PL: A Checklist for Amazon Sellers

    How to choose a 3PL for your Amazon business: the criteria that matter, from FBA experience and integration to pricing transparency, services, and minimums.

  • April 18, 2026·5 min read

    AWD vs 3PL: Which Upstream Storage Fits Your Business?

    AWD vs 3PL: Amazon's warehousing feeds FBA automatically and stays in-ecosystem; a 3PL is flexible and multi-channel. How to choose for your catalog.

  • April 17, 2026·5 min read

    Amazon AWD: What Warehousing and Distribution Is For

    Amazon AWD is low-cost bulk storage upstream of FBA that auto-replenishes fulfillment stock. What it is, when it helps, and its trade-offs.

  • April 10, 2026·5 min read

    FOB vs EXW: Which Incoterm Should FBA Sellers Use?

    FOB vs EXW: FOB puts the supplier in charge to the origin port, EXW leaves everything to you from the factory door. What each means and which fits FBA.

  • April 9, 2026·5 min read

    Importing from China to Amazon FBA: The Full Process

    The end-to-end process of importing from China to Amazon FBA: sourcing, incoterms, freight, customs and duties, prep, and into the fulfillment center.

  • April 8, 2026·5 min read

    FBA Reorder Date Calculation: When to Place the PO

    How to calculate your reorder date: the day to place a PO so stock arrives before you run out. The formula, a worked example, and the inputs that matter.

  • April 6, 2026·5 min read

    PO Payment Terms: Structures That Protect Your Cash

    PO payment terms decide how much of your inventory the supplier finances. Deposit splits, net terms, and how each affects your FBA cash flow.

  • April 5, 2026·5 min read

    Purchase Order Tracking for FBA: Stages and Checklist

    Purchase order tracking for FBA: follow each PO through placed, shipped, received, and reconciled, so nothing slips and every shortfall gets claimed.

  • April 4, 2026·5 min read

    Managing Inventory Across Multiple Suppliers on FBA

    Why and how to run multiple suppliers for a SKU: dual-sourcing for risk and leverage, and how to manage inventory across them.

  • April 3, 2026·5 min read

    MOQ: How Minimum Order Quantity Affects Your FBA Cash

    MOQ is the smallest order a supplier will accept. Why it exists, how it forces overstock and ties up cash, and how to negotiate it, for Amazon FBA sellers.

  • April 2, 2026·5 min read

    Supplier Lead Time for FBA: How to Measure and Reduce It

    Supplier lead time is how long from PO to goods ready or delivered. How to measure quoted vs actual, track it per supplier, and reduce it, for FBA sellers.

  • April 1, 2026·5 min read

    Purchase Order Template for Amazon FBA: What to Include

    A purchase order template for Amazon FBA: the fields that prevent supplier disputes, plus the FBA-specific labeling and carton lines most templates miss.

  • March 31, 2026·5 min read

    The Inventory Cash-Flow Problem (and How to Fix It)

    The inventory cash-flow problem is cash trapped in stock so you cannot fund the next reorder. The symptoms, the causes, and how to break the cycle on FBA.

  • March 29, 2026·5 min read

    TACoS vs ACoS: Which Amazon Ad Metric Actually Matters

    TACoS vs ACoS: ACoS measures campaign efficiency, TACoS measures ad reliance against total sales. The formulas, a worked example, and when to use each.

  • March 28, 2026·5 min read

    Amazon Gross Margin: What It Is and What It Hides From You

    Amazon gross margin is revenue minus cost of goods, over revenue. The formula, a worked example, and why it overstates FBA profit if you stop there.

  • March 27, 2026·5 min read

    Amazon Net Profit Margin: What Good Looks Like on FBA

    Amazon net profit margin is what you keep after every cost. The formula, an account-level example, a realistic FBA benchmark, and how to raise it.

  • March 26, 2026·5 min read

    FBA Cash Reserve: How Much Working Capital to Keep

    How much cash reserve an Amazon FBA seller should keep: sizing it to one reorder cycle, a worked example, and why lead time and season change the number.

  • March 25, 2026·5 min read

    Amazon Payout Schedule: When You Actually Get Paid

    How Amazon's payout schedule works: the ~14-day disbursement cycle, the reserve, and why new accounts wait longer, plus how to plan cash around it.

  • March 24, 2026·5 min read

    Inventory-to-Sales Ratio: Formula and How to Read It

    The inventory-to-sales ratio is inventory value divided by sales: a fast read on whether you carry too much stock. Formula, example, and FBA context.

  • March 23, 2026·5 min read

    Inventory Accuracy: How to Measure and Improve It

    Inventory accuracy is the share of your records that match reality. The formula, benchmarks, what breaks it, and how to improve it on Amazon FBA.

  • March 22, 2026·10 min read

    The Inventory KPIs That Matter Most for Amazon FBA

    The inventory KPIs FBA sellers should track: sell-through, turnover, days of supply, GMROI, and DSI, with the formula and benchmark for each.

  • March 8, 2026·6 min read

    Product Launch Inventory: How Much to Stage for FBA

    How much inventory to bring for an Amazon product launch, how to stage it across FBA and a 3PL, and how to protect against a launch that flops.

  • March 7, 2026·5 min read

    2026 Amazon Seller Calendar: Inventory Order Dates

    A 2026 Amazon seller calendar built for inventory planning: the events that move demand and the lead-time-back dates to order for each.

  • March 6, 2026·7 min read

    Inventory Forecasting Methods Compared for Amazon FBA

    Inventory forecasting methods compared: moving average, weighted average, and exponential smoothing, and which one fits an Amazon FBA SKU.

  • March 4, 2026·5 min read

    New Product Demand Forecasting With No Sales History

    How to forecast demand for a new Amazon product with no sales history: use analogs, a conservative first order, and a fast first reorder.

  • March 3, 2026·6 min read

    How to Model Amazon Sales Seasonality for FBA Sellers

    How to model Amazon sales seasonality: build seasonal indices from a year of history, forecast a baseline, and apply the index ahead of your lead time.

  • March 2, 2026·7 min read

    Demand Planning for Amazon Sellers: A Practical Loop

    Demand planning for Amazon sellers turns a forecast into purchase orders, reconciled with cash, capacity, and your marketing and sourcing plans.

  • March 1, 2026·5 min read

    Prime Day Inventory Planning for Amazon FBA Sellers

    Prime Day inventory planning: forecast the deal spike, order a full lead time early, cover the event without overbuying, and plan the post-event drawdown.

  • February 28, 2026·5 min read

    Overstocking Inventory: The Cost and How to Fix It

    Overstocking ties up cash, racks up storage fees, and drags your IPI. How to spot overstock, what it really costs, and how to clear it, for Amazon FBA.

  • February 27, 2026·5 min read

    Stockout Days: What They Are and Why They Matter on FBA

    Stockout days are the days a SKU was unavailable. Why they quietly distort your velocity and IPI, how to find them, and how to exclude them from your math.

  • February 26, 2026·5 min read

    Out of Stock and Amazon Ranking: What Really Happens

    Running out of stock hurts your Amazon ranking because velocity drives rank. What happens while you are out, how much you lose, and how to recover.

  • February 23, 2026·5 min read

    How to Calculate Lost Sales from an Amazon Stockout

    Lost sales equal your stockout days times the velocity you would have had. The formula, a worked example, and how to adjust for trend and season.

  • February 22, 2026·5 min read

    The Real Cost of a Stockout on Amazon FBA, Fully Priced

    A stockout costs far more than the missed sales: lost rank, a lower IPI, wasted ad spend, and a slow recovery. How to add up the true cost for FBA.

  • February 21, 2026·5 min read

    FBA Capacity Limits: How the Cubic-Feet System Works

    FBA capacity limits set a monthly cubic-feet allowance for your inventory. How the limit is set, how Capacity Manager works, and how to plan around it.

  • February 20, 2026·5 min read

    Excess Inventory on Amazon: How It Is Flagged and Cleared

    Amazon flags excess inventory as stock beyond your near-term demand. How the designation works, why it costs you, and how to find and clear it in FBA.

  • February 19, 2026·5 min read

    Stranded Inventory on Amazon: Find It, Fix It, Prevent It

    Stranded inventory is stock in an Amazon warehouse with no active listing. Why it happens, what it costs you, and how to find, fix, and prevent it.

  • February 18, 2026·5 min read

    Amazon Restock Limits: Why You Are Capped and What to Do

    Amazon restock limits cap how much inventory you can send to FBA. Why they happen, how IPI and sales drive them, and how to work within or lift them.

  • February 17, 2026·5 min read

    How to Improve Your IPI Score: A Component Playbook

    Improve your Amazon IPI score by fixing its four inputs: clear excess and stranded stock, raise sell-through, hold in-stock rate. A step-by-step guide.

  • February 15, 2026·5 min read

    Landed Cost vs COGS: The Difference for FBA Sellers

    Landed cost vs COGS: landed cost is the full cost to get a unit to the warehouse; COGS is the cost of what you sold. Why FBA sellers must not confuse them.

  • February 14, 2026·5 min read

    Inventory Carrying Cost: The True Cost of Holding Stock

    Inventory carrying cost is the full cost of holding stock: capital, storage, risk, and handling. How to estimate the rate and use it in FBA decisions.

  • February 13, 2026·4 min read

    FBA Storage Utilization Surcharge: What Triggers It

    The FBA storage utilization surcharge targets overstock: holding too much inventory relative to your sales. What triggers it and how to avoid it.

  • February 12, 2026·3 min read

    Amazon Low-Inventory-Level Fee Explained (2026)

    The Amazon low-inventory-level fee hits standard-size items when your days of supply runs too thin. How the 28-day threshold works and how to avoid it.

  • February 11, 2026·5 min read

    FBA Inbound Placement Fee: How to Reduce It (2026)

    The FBA inbound placement fee in 2026: what it is, how shipment splits change it, and how to decide between paying the fee or shipping to more locations.

  • February 10, 2026·5 min read

    FBA Fulfillment Fees by Size Tier: 2026 Rate Guide

    How FBA fulfillment fees work in 2026: size tiers, dimensional weight, the per-pound surcharges, and how to keep packaging from jumping a tier.

  • February 9, 2026·4 min read

    Amazon Referral Fees by Category: 2026 Rates Guide

    How Amazon referral fees work in 2026: the 15 percent standard rate, how categories vary, the per-item minimum, and how the fee hits your margin.

  • February 7, 2026·4 min read

    FBA Long-Term Storage Fee: What Replaced It in 2026

    The FBA long-term storage fee was replaced by the monthly aged-inventory surcharge. What changed, why it costs more now, and how to avoid it.

  • February 6, 2026·4 min read

    Amazon Aged Inventory Surcharge in 2026: How It Works

    The Amazon aged-inventory surcharge in 2026: when it kicks in (181+ days), how it stacks on storage, and how to clear stock before it costs you.

  • February 4, 2026·6 min read

    Min/Max Inventory Levels for Amazon FBA: How to Set

    Min/max inventory levels set the floor that triggers a reorder and the ceiling you restock to. How to set both on Amazon FBA, with a worked example.

  • February 3, 2026·7 min read

    Lead Time Variability: Why It Drives Safety Stock

    Lead time variability, not just average lead time, is what your safety stock pays for. How inconsistent lead times change reorder math on Amazon FBA.

  • February 2, 2026·7 min read

    How Much Safety Stock to Hold on Amazon FBA (Formula)

    How much safety stock to hold on Amazon FBA: size it to demand and lead-time variability per SKU, not a flat number of weeks. Formula and worked example.

  • February 1, 2026·6 min read

    Days of Supply vs Days of Inventory on Amazon FBA

    Days of supply vs days of inventory: what each measures, how to calculate them, and which one tells an Amazon FBA seller when to reorder.

  • January 31, 2026·7 min read

    When to Reorder Inventory: The Signals Sellers Miss

    When to reorder inventory on Amazon FBA: the reorder point fires earlier than you think. The signals that mean order now, and the ones sellers miss.

  • January 29, 2026·7 min read

    How to Calculate Reorder Quantity for Amazon FBA

    How to calculate reorder quantity for Amazon FBA: cover demand to your next cycle plus safety stock, within your MOQ and cash. With a worked example.

  • January 28, 2026·8 min read

    Inventory Lead Time: The Multi-Leg View for FBA

    Inventory lead time on Amazon FBA is multi-leg: production, freight, customs, and check-in. Why the number your supplier quotes is not the one to plan on.

  • January 27, 2026·6 min read

    How to Forecast Q4 Inventory for Amazon FBA Sellers

    How to forecast Q4 inventory for Amazon FBA: build from last year's seasonal index, order a full lead time early, and plan the January drawdown.

  • January 26, 2026·4 min read

    FBA Storage Fees 2026: Monthly Rates and Surcharges

    FBA storage fees in 2026: the monthly per-cubic-foot rates, the Q4 peak increase, the aged-inventory surcharge, and how to keep storage costs down.

  • January 21, 2026·5 min read

    Cash Conversion Cycle for FBA: Formula and Example

    The cash conversion cycle is how many days your cash is tied up from paying suppliers to collecting from Amazon. Formula, example, and how to shorten it.

  • January 20, 2026·5 min read

    DDP Shipping: What Delivered Duty Paid Means for Sellers

    DDP shipping means the supplier delivers to your door with duties paid. The upside, the cautions on customs and control, and when it fits importers.

  • January 19, 2026·8 min read

    Amazon AWD vs FBA: Storage Costs and When to Use Each

    Amazon AWD vs FBA is not either/or. AWD is low-cost bulk storage that auto-replenishes FBA. The storage cost math and when to use each.

  • January 16, 2026·7 min read

    Amazon IPI Score: What It Is and Why It Governs Capacity

    The Amazon IPI score is a 0 to 1000 inventory health rating from four factors. What it measures, why it controls your FBA capacity, and how to read it.

  • January 15, 2026·7 min read

    Incoterms Explained: The Shipping Terms Importers Need

    Incoterms define who pays and who bears risk at each step of a shipment. The key terms (EXW, FOB, DDP) and what they mean for Amazon importers.

  • January 15, 2026·7 min read

    Is Inventory an Asset? FBA Accounting Explained

    Is inventory an asset? Yes, a current asset on your balance sheet. How it works for Amazon FBA sellers, when it becomes COGS, and the cash trap to avoid.

  • January 14, 2026·9 min read

    FBA Cash Flow Management: Complete Operator's Guide

    Cash flow, not profit, is what kills growing FBA businesses. The cash gap, the levers that close it, and how to build a reserve, for Amazon sellers.

  • January 13, 2026·7 min read

    What Is Dunnage? A Practical Guide for FBA Sellers

    Dunnage is the cheap, often disposable material that protects goods in transit. What it is, the common types, and how it protects your FBA shipments.

  • January 12, 2026·11 min read

    Amazon Inventory Forecasting: The Complete FBA Guide

    A complete guide to Amazon inventory forecasting: the methods, how to handle seasonality and new products, and how to forecast around FBA lead times.

  • January 11, 2026·8 min read

    Amazon FBA Fees in 2026: The Complete Cost Breakdown

    Every Amazon FBA fee in 2026: referral, fulfillment, storage, and the situational fees, with current rates, a worked example, and which ones you control.

  • January 10, 2026·10 min read

    Amazon FBA Restock Planning: The Complete 2026 Guide

    A complete system for Amazon FBA restock planning: when to reorder, how much, which SKUs to fund first, and how to plan around long lead times.

  • December 21, 2025·6 min read

    FBA Contribution Margin: Formula, Example, Decisions

    Contribution margin is what each unit contributes after all variable costs. The formula, a worked FBA example, and why it drives which SKUs to fund or cut.

  • December 20, 2025·5 min read

    Inventory Turnover Ratio: Formula, Example, Benchmarks

    The inventory turnover ratio is COGS divided by average inventory value. The formula, a worked example, and what good looks like for FBA.

  • December 17, 2025·5 min read

    Weeks of Supply Formula: How Long Your Stock Lasts

    The weeks of supply formula is inventory on hand divided by average weekly sales. How to calculate it, read it, and use it to time reorders.

  • December 16, 2025·7 min read

    Economic Order Quantity (EOQ): FBA Formula and Use

    Economic order quantity (EOQ) is the order size that minimizes ordering plus holding cost. The formula, a worked FBA example, and where MOQ overrides it.

  • December 13, 2025·5 min read

    Days Sales in Inventory (DSI): Formula and Meaning

    Days sales in inventory (DSI) is how many days your stock sits before it sells. The formula, a worked example, and how it relates to turnover for FBA.

  • December 12, 2025·5 min read

    GMROI Explained: Gross Margin Return on Investment

    GMROI is gross margin divided by average inventory cost: the margin each inventory dollar returns. The formula, an example, and why it beats turnover.

  • December 10, 2025·5 min read

    FBA Reimbursements: How to Recover Money Amazon Owes

    FBA reimbursements: how to recover money Amazon owes for lost and damaged inventory. The discrepancy types to audit, the claim windows, and how to file.

  • December 9, 2025·5 min read

    Sell-Through Rate: The Formula and Why It Drives IPI

    Sell-through rate is units sold divided by average units on hand. The formula, a worked example, and why it drives your Amazon IPI and restock timing.

  • December 8, 2025·7 min read

    Sales Velocity: How to Calculate and Use It on FBA

    Sales velocity is units sold per day, the engine of every restock decision. How to calculate it, why the window matters, and how to use it on Amazon FBA.

  • December 8, 2025·5 min read

    JIT Inventory Management: Does It Fit Amazon FBA?

    JIT inventory management minimizes held stock to free cash. How it works, its trade-offs for FBA, and the hybrid that survives long lead times.

  • December 5, 2025·5 min read

    What Is a Backorder? What It Means for Amazon Sellers

    A backorder is an order for an out-of-stock item, filled when you restock. What it means on Amazon, and why FBA cannot do it while FBM can.

  • December 4, 2025·5 min read

    COGS Formula: How to Calculate Cost of Goods Sold

    The COGS formula is beginning inventory plus purchases minus ending inventory. What counts, what does not, and a worked example for Amazon FBA sellers.

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