Stock far from your buyers ships slower, and slower delivery can cost you the Buy Box. The map shows your FBA stock and your buyers region by region, and which regions are short or holding extra.

Each region’s share of your buyers against its share of your stock, with the warehouses holding your stock on the map. Switch between stock, buyers and the gap.
Two short lists: regions where many buyers live but little stock sits, and stock sitting far from buyers. Each line says what sold there and in how many days.
One rule for stock cover across every tool, using Amazon’s own days-of-supply figure first. The same number holds back ad raises and price cuts when stock is short.
The map puts your stock next to your buyers, region by region, alongside the Buy Box places you lost there, so you can see where stock placement may be costing you sales. It reads the same Buy Box checks as the Buy Box map.
The free audit shows you Estobi on a product you sell. The FBA map is part of a paid plan.
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