How Amazon FBA Storage Fees Work in 2026

Use inventory reviews to decide what to replenish, hold upstream, promote, or remove. A low storage bill is not a success if profitable products keep going out of stock.

Separate the Charges

Monthly storage depends on occupied packaged volume and the applicable rate. Aging charges depend on how long units remain in the network. Utilization and low-inventory fees have their own eligibility calculations. A single current days-of-stock number does not determine all four.

Use the current rate schedule for the marketplace, product tier, season, and eligibility shown in your account. Avoid treating an old dollar rate as a 2026 quote.

Choose Stock Levels from Lead Time

Seller Scale recommends forecasting demand over replenishment lead time plus a safety buffer derived from sales and receiving variability. A fixed 30–45-day rule is not suitable for every SKU and does not guarantee a fee exemption.

Compare keeping the next replenishment batch in FBA, AWD, or a 3PL. Account for transfer delays and working capital as well as storage. Verify any AWD waiver before including it in the forecast.

Act Before Inventory Becomes Expensive

Review slower stock early enough to compare a price change, promotion, removal, liquidation, or stopping replenishment. Estimate net recovery after all costs. Check the removal settings actually offered in your account rather than assuming that an arbitrary age-based automatic action is available. Track the result after the next billing cycle.

Create an Exception Queue

Assign each SKU a forecast demand range, expected arrival date, supply risk, and planned action. Separate slow stock from reserved or temporarily unavailable units. For a seasonal item, compare remaining selling opportunity with the cost and risk of carrying it into the next season.

Seller Scale recommends documenting why an exception is approved, such as extra cover for an uncertain lead time. Revisit that decision when demand or receiving times change, rather than keeping the same stock target indefinitely.

Sources and Scope

The linked sources support the documented points above. Recommendations and hypothetical calculations are editorial guidance, not Amazon rules or promised results. Check the current requirements for your marketplace and account before acting.

• Amazon monthly inventory storage fees
• Amazon aged inventory surcharge
• Amazon low-inventory-level fee
• Amazon AWD pricing