Why You're Being Charged
If you're enrolled in FBA, Amazon charges you for holding onto inventory — and the longer it sits, the more it costs. Understand exactly how these fees work before they eat your margin. (Storing inventory yourself or through a 3PL / overseas warehouse? These specific charges don't apply to you — skip ahead to Clearing Methods.)
Amazon FBA Storage Fees
The base monthly cost of keeping inventory in Amazon's warehouses — and why it jumps every October.
Amazon Aged Inventory Surcharge
A separate penalty charged on top of storage fees once your stock passes 181 days. Here's how it's calculated and how to see it coming.
Amazon IPI Score
The metric that decides whether you get hit with storage limits. What counts toward it, and how to keep yours above 400.
FBA Storage Fee Calculator
Estimate what your current inventory is costing you — before the bill shows up.