Stockouts cost more than the missed sales: rank decay, ad momentum, and the slow climb back. These articles cover preventing them, measuring what they really cost, and recovering when one happens anyway.
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.
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.
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.
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.
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.
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.
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.