Cross-border selling · One batch can erase a month of profit
FBA reimbursements and back-charges
Back-charges and reimbursements arrive in batches. Reconcile them weekly so a single settlement does not become a cash crisis.
Key facts
| Back-charges | Can arrive in one settlement batch for months of activity |
|---|---|
| Common sources | Fulfilment corrections, storage, returns, removal orders and inventory adjustments |
| Reimbursements | Inventory lost or damaged, and customer returns that are not received |
| Reconciliation | Compare shipment, return, reimbursement and settlement reports on a fixed rhythm |
| Cash impact | A single batch can exceed a month's profit; the timing is the risk |
| Control | Weekly review plus a cash buffer sized to one month of charges |
The cash gap is a reconciliation problem
The charge is not necessarily wrong; the surprise is. Fulfilment and storage corrections can accumulate for months and then settle in one batch, which is why a seller can be profitable on paper and short of cash in the bank. The fix is a weekly reconciliation, not a monthly glance at the payout.
Compare four reports: what you shipped, what came back, what was reimbursed and what was charged. The differences are the work queue. A charge with no matching shipment or return is a candidate for a case; a reimbursement that never arrived is a candidate for a claim.
Build a buffer sized to the batch
Size the cash buffer to the largest plausible back-charge batch, not the average month. If a storage or fulfilment correction can reach one month of fees, keep that amount available. The inventory cash-flow calculator shows how much cash is already tied in stock and payout float, so the buffer is an explicit line rather than a vague reserve.
Set a weekly calendar reminder and a named owner. Reconciliation done in a crisis is slower and less complete than reconciliation done every week.
Frequently asked questions
Why did Amazon charge months of fees at once?
Some corrections and adjustments are calculated in batches rather than per order. The settlement can bundle months of activity into one payout period.
What should I reconcile every week?
Shipments, returns, reimbursements and settlement charges. Look for charges without a matching event and reimbursements that were approved but not paid.
How large should the cash buffer be?
At least the largest plausible back-charge batch. If a single correction can equal a month of fees, keep that amount available rather than relying on the next payout.
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