Amazon Overhauls FBA Reimbursement Policy: Lost and Damaged Inventory Will Now Be Based on Manufacturing Cost
Beginning in 2025 Amazon will reimburse lost or pre‑order damaged FBA inventory based on the product’s manufacturing cost rather than the sales price. Sellers can upload verified cost data via a new Seller Central page; otherwise Amazon’s cost‑estimation engine will generate a benchmark cost.
Overview
Amazon will change the way it compensates FBA sellers for inventory that disappears or is damaged inside its fulfillment centers. Beginning in 2025, reimbursements will be based on the product’s manufacturing cost rather than the selling price or the legacy formula. Sellers need to understand the new calculation method, how to submit their own cost data, and what actions are required to protect their margins.
Key Points
- Manufacturing‑Cost Basis — Reimbursements for lost or damaged units will reflect the cost to produce or source the item, not the retail price.
- Definition of Manufacturing Cost — Amazon counts the expense of acquiring the product from a factory, wholesaler, or reseller, or the cost of self‑manufacturing; it excludes shipping, handling, customs duties, and other ancillary fees.
- Seller‑Provided Costs — Sellers may upload their own verified manufacturing costs to replace Amazon’s default estimate.
- Amazon’s Default Estimate — If a seller does not submit data, Amazon will generate an estimate using pricing information from comparable items sold across its marketplace and wholesale channels.
- Pre‑Order vs. Post‑Order Losses — The new cost‑based rule applies only to inventory lost or damaged before a customer order is placed; losses after an order remain reimbursed at the sales price minus fees and VAT.
How the New Reimbursement System Works
- Cost Estimation Engine — Amazon’s algorithm scans product listings that it sells, third‑party offers, and wholesale price feeds to produce a benchmark manufacturing cost. Example: For a silicone spatula sold by multiple sellers at $15, the system may calculate a benchmark cost of $6.
- Seller Cost Submission — Sellers can log into a dedicated page in Seller Central, enter their actual cost per unit, and attach supporting documents such as invoices or production sheets. Example: A private‑label brand uploads a $4.50 per unit cost for the same spatula, backed by a factory invoice.
- Reimbursement Calculation — When inventory is reported lost or damaged before an order, Amazon applies the cost figure (either the seller‑provided value or the algorithmic estimate) to determine the reimbursement amount.
Analysis & Recommendations
Why This Matters
The shift to manufacturing‑cost reimbursement can cut reimbursements by up to 60% for high‑priced items, forcing sellers to protect margins. Providing accurate cost data can prevent under‑reimbursement, while the default estimate may be lower than actual costs.
Key Takeaways
- Reimbursements for lost or damaged inventory before an order will be calculated using manufacturing cost starting in 2025.
- Sellers may upload verified cost per unit via a dedicated page in Seller Central; otherwise Amazon uses a benchmark cost derived from marketplace p...
- The cost‑based rule applies only to pre‑order losses; post‑order losses remain reimbursed at sales price minus fees and VAT.
- A $30 kitchen gadget with a $10 manufacturing cost will be reimbursed $10 (or seller‑provided figure) versus up to $25 under the legacy formula.
Recommended Actions
- →Log into Seller Central > Performance > FBA Reimbursement Settings and upload a CSV with verified manufacturing costs for each SKU.
- →Review Amazon's default cost estimates in the new Cost Estimation report and submit corrected costs for any discrepancies.
- →Model worst‑case loss exposure using manufacturing cost (e.g., 2,000 units × $8 = $16,000) before the 2025 rollout to adjust inventory levels.
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