What is the aged inventory surcharge on Amazon?

It's an extra monthly fee Amazon charges on FBA units that have been stored past certain age thresholds, applied on top of standard storage fees. It's the current form of what used to be called long-term storage fees, and it gets steeper the longer the inventory sits. The aim is to push slow stock out of fulfillment centers.

How is it different from regular FBA storage fees?

Standard storage fees apply to all FBA inventory based on space and time of year. The aged inventory surcharge is an additional charge that only kicks in once units cross an age threshold, and it climbs in tiers as the inventory gets older. Fast-selling products never age enough to trigger it.

How do I avoid aged inventory surcharges?

Don't send more inventory than you can sell in a reasonable window. Forecast from real sell-through, set sensible reorder points, and watch your FBA aging report so you can mark down, promote, bundle, or remove slow SKUs before they age into higher surcharge tiers.

Should I do a removal order or just keep paying the surcharge?

Compare the one-time removal cost against the ongoing surcharge plus the cash tied up in the units. For genuinely dead stock, removal or liquidation almost always wins because the surcharge compounds month after month while the inventory isn't generating revenue.

Where does the surcharge appear in my books?

It's deducted inside your Amazon settlement before payout. Book it to a dedicated storage or aging expense account rather than letting it vanish into the net deposit, so you can track it as a metric. A rising figure is an early warning that you're over-ordering and may face an inventory write-down.

Glossary

What is Aged inventory surcharge?

Extra FBA fees on units stored beyond age thresholds.

The aged inventory surcharge is an extra fee Amazon charges on FBA units that sit in its fulfillment centers past certain age thresholds. It's the successor concept to what sellers long called Amazon long-term storage fees: once your inventory has been in the warehouse too long, Amazon stacks an additional monthly charge on top of the standard storage fee, scaling up the longer those units linger. The point is to push slow-moving stock out and free up warehouse space for inventory that actually sells.

For sellers, the aged inventory surcharge is one of the most avoidable ways to lose money on FBA. It doesn't punish you for selling - it punishes you for over-ordering, mis-forecasting, or holding a SKU long past its demand. And because the charge compounds the longer units stay put, a small forecasting mistake quietly becomes a bigger and bigger drain. The exact thresholds and rates change over time and vary by inventory type, so always verify the current schedule in Seller Central rather than assuming a number you read somewhere.

How Amazon's aged inventory surcharge works

Amazon measures how long each unit has been in its fulfillment network and applies the aged inventory surcharge once a unit crosses an age threshold. The fee is assessed on top of the regular monthly storage fee, and it's tiered: the older the inventory, the steeper the surcharge band it falls into. This is the same mechanism sellers historically knew as long-term storage fees - the structure has evolved and the branding has shifted toward 'aged inventory,' but the intent is identical.

Because the charge is age-based and compounding, it tends to hit the SKUs you'd least want it to: the ones that aren't selling. A product that moves quickly never accumulates age, so it never sees the surcharge. A product that stalls keeps aging, climbs into higher surcharge tiers, and quietly eats margin every month it sits. Amazon publishes the current thresholds and rates in Seller Central, and they're adjusted periodically, so treat the specific figures as something to look up, not memorize.

Why aged inventory is an accounting problem, not just a fee

The surcharge itself is the visible cost, but the real damage is on the balance sheet. Aged inventory is capital you've already spent sitting idle - cash locked in units that aren't converting to revenue. Every month those units age, you're paying to store money you can't use, and the surcharge is just the cherry on top. A pile of slow inventory is a cash flow problem first and a fee problem second.

There's also a valuation consequence. Inventory that won't sell at full price isn't worth what you paid for it, and at some point sound accounting requires writing it down to its realizable value - recognizing the loss on your books rather than carrying it at cost. Aged inventory surcharges are often the early warning sign that a write-down is coming. Surfacing slow SKUs and their carrying costs early - which is part of what BeanHawk's inventory and fee reconciliation is meant to make visible - lets you act while liquidation still recovers some cash, instead of discovering the problem at year-end.

How to avoid and reduce aged inventory surcharges

Avoiding the surcharge comes down to not sending more inventory than you can sell in a sensible window. That means forecasting demand off real sell-through, ordering against a defensible reorder point rather than rounding up to hit a supplier's MOQ, and watching your aging report so slow SKUs get attention before they cross the next surcharge tier. Prevention is far cheaper than any cleanup.

When inventory has already aged, the move is to get it out before the fees compound further. Options include cutting the price to drive sell-through, running a promotion or moving units to Amazon's outlet, bundling slow units with faster ones, or filing a removal order to pull stock out of FBA entirely. A removal costs money too, so the calculation is whether ongoing surcharges plus tied-up capital outweigh the one-time cost of getting the units back - usually they do once a SKU is clearly dead.

•Forecast off real sell-through and avoid over-sending inventory
•Watch the FBA inventory age report and act before the next tier hits
•Mark down, promote, or bundle slow units to drive sell-through
•Use removal orders to pull dead stock out before fees compound
•Don't let a supplier's MOQ push you into quantities you can't sell

Booking the surcharge in your accounting

Aged inventory surcharges show up as deductions inside your Amazon settlement, netted against your sales before the payout hits your bank. If you only book the net deposit, these fees disappear into your top line and you never see how much aged inventory is actually costing you. Breaking the settlement out so storage and aging surcharges land in their own expense account is what makes the problem measurable.

Treated as their own line, these surcharges become a management metric, not just a cost. A rising aged-inventory expense is a direct signal that your purchasing is outrunning your sales velocity - the same signal that should prompt a hard look at reorder timing and possible write-downs. Mapping settlement deductions to the right accounts is core ecommerce bookkeeping, and it's exactly the kind of detail that gets lost when sellers reconcile only to the lump-sum payout.

Frequently asked questions

What is the aged inventory surcharge on Amazon?: It's an extra monthly fee Amazon charges on FBA units that have been stored past certain age thresholds, applied on top of standard storage fees. It's the current form of what used to be called long-term storage fees, and it gets steeper the longer the inventory sits. The aim is to push slow stock out of fulfillment centers.
How is it different from regular FBA storage fees?: Standard storage fees apply to all FBA inventory based on space and time of year. The aged inventory surcharge is an additional charge that only kicks in once units cross an age threshold, and it climbs in tiers as the inventory gets older. Fast-selling products never age enough to trigger it.
How do I avoid aged inventory surcharges?: Don't send more inventory than you can sell in a reasonable window. Forecast from real sell-through, set sensible reorder points, and watch your FBA aging report so you can mark down, promote, bundle, or remove slow SKUs before they age into higher surcharge tiers.
Should I do a removal order or just keep paying the surcharge?: Compare the one-time removal cost against the ongoing surcharge plus the cash tied up in the units. For genuinely dead stock, removal or liquidation almost always wins because the surcharge compounds month after month while the inventory isn't generating revenue.
Where does the surcharge appear in my books?: It's deducted inside your Amazon settlement before payout. Book it to a dedicated storage or aging expense account rather than letting it vanish into the net deposit, so you can track it as a metric. A rising figure is an early warning that you're over-ordering and may face an inventory write-down.

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