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Plain-Text Accounting

Discover the power of version-controlled, human-readable financial records

Amazon's 2026 FBA Fee Overhaul: What the New Aged-Inventory and Low-Stock Fees Mean for Your Margins

Amazon's 2026 FBA fee changes start the aged-inventory surcharge at 181 days instead of 271, add a steeper tier for stock over 12 months old, and raise the low-inventory-level fee threshold from 28 to 35 days of forecasted supply — now enforced per FNSKU variation. Here's who pays most, how to estimate your exposure, and why these fees belong as separate expense lines in your books.