After 6 years managing thousands of ASINs, this is the exact routine I follow to keep inventory healthy, avoid stockouts on top movers, and catch dead stock before it eats my cash flow.
Written by Joshua Purba, founder of ReplenFlow and full-time Amazon FBA seller since 2020.
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Catch stockouts, Buy Box losses, and reserved spikes before they cost you sales.
The exact Monday workflow I use to calculate reorder qty and send POs on schedule.
Monthly and quarterly reviews that stop LTSF and storage fees from eating your cash.
A full breakdown of every routine — from the 5-minute daily scan to the quarterly reset.
Catches fires before they spread.
5 action items — Check top 10 ASINs for "Reserved" spikes — hidden stockouts happen here first
The core restock rhythm. Do this religiously.
7 action items — Upload fresh Inventory Health Report + Restock Report + Active Listings into Rep…
The strategic view — where most sellers never look.
7 action items — Profit audit: Recalculate true per-unit profit for every ASIN (cost + FBA fees +…
The reset button. Skip this and you accumulate waste.
5 action items — Full catalog review: every ASIN sorted by profit contribution (top 80% gets prio…
The difference between a great Q4 and a panic Q4.
6 action items — Forecast Q4 demand = Last year's Q4 velocity × growth rate × 1.2 safety buffer
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