The FBA Returns Loop: Misgrades, AI Fraud and Reinspection

By Bernardo Campelo, Forbes Business Council E-Commerce Leader, Amazon SPN Certified provider, and Founder of PrepVia.

There is a specific kind of one star review that tells you nothing about your product and everything about Amazon's return dock. It reads: box was already opened, seal broken, clearly used. The buyer is not wrong. They really did receive a used unit. And you really did ship a new one, months earlier, in a factory sealed case.

What happened in between is the FBA returns loop: a damaged return gets graded sellable in seconds, goes back on the shelf under your FNSKU, ships to the next buyer, collects the one star review, and comes back again. Recent seller forum threads on exactly this run to dozens of replies, and the pattern in every one of them is identical.

In 2026 the loop picked up a second engine. Buyers have started attaching AI generated photos of damage that never happened to refund claims, and the entire claims ecosystem hardened in response. And then there is the third act, the one most sellers never reach: Amazon's own policy says it will not reimburse customer damaged returns. Which means the only recovery that exists for this inventory is physical. You pull it out, you inspect it, you regrade it yourself, and you send back only what deserves to go back.

This post walks through all three acts, and then the math that tells you when the physical recovery is worth running.

Act One: The Loop, Turn by Turn

When a return arrives at a fulfillment center, it gets graded into one of a few buckets: sellable, defective, customer damaged, or carrier damaged. The grade decides everything. Sellable goes straight back into your available inventory. The rest lands in unfulfillable and waits for your decision.

The grading step is quick, and it is weighted toward what can be observed quickly: the outer carton, the tape, the label, whether the box rattles. A buyer who repacks a damaged or used product carefully, or simply drops it back in the original box and closes the flaps, presents the grader with an intact looking package. It grades sellable. Nobody opens the retail box to check whether the accessories are still inside or the product still works, because at return dock speed nobody can.

Here is one full turn of the loop, priced in the things sellers actually care about.

The compounding is what makes this expensive. One misgraded unit can cycle multiple times, and every cycle adds a return event to your metrics. As of 2026, the returns processing fee applies to products whose return rate sits above category specific thresholds, so a listing with a few units stuck in the loop is being pushed toward fee territory by inventory that should have been pulled after the first trip.

Act Two: The 2026 Vector, Photos That Were Never Taken

The second act is newer. Through late 2025 and into 2026, retail coverage has documented a wave of return fraud built on generative AI. Buyers submit fabricated photos of damage that never happened to trigger refunds. Some collect the refund without returning anything at all. Some of the fakes are edits of authentic review photos of the seller's own product. Industry estimates put US merchandise returns near 850 billion dollars in 2025, and around 9 percent of that fraudulent. AI has cut the skill required to fake the evidence to roughly zero.

Amazon sellers have been posting these cases on the forums: a complaint written by a model, attached to an image generated by one, requesting a refund on a unit that was never damaged. Some of the images still carry detectable AI watermarks. Many do not.

The predictable response, across the industry, is that claim flows hardened. Evidence gets more scrutiny. Photo proof, on its own, is worth less than it used to be, in both directions. That last part is the piece sellers miss: the same erosion of trust that protects platforms from fake damage photos also weakens your photo of the pristine unit you shipped out.

Act Three: The Recovery Is Physical

Now the policy fact that shapes everything else. Amazon does not reimburse customer damaged returns. If the grading says the buyer damaged it, that unit is your loss, full stop, and it sits in unfulfillable inventory accruing storage until you decide what to do with it. Reimbursement exists for inventory lost or damaged while under Amazon's control, which is a different and narrower door, and one we cover in why Amazon denies FBA reimbursement claims.

So there is no claims strategy for this inventory. There is only a logistics strategy: remove and inspect. You pull the questionable inventory out of FBA in batches, put human eyes and hands on every unit at a prep center, and split the batch into what goes back, what gets rebuilt, and what gets written off.

Two fee facts frame the decision, both confirmed as of 2026. Removal and disposal fees are charged per unit as each unit is processed, a billing change effective March 1, 2026 that moved the timing of the charge, not the rates. And for light standard size units, the removal fee runs about 0.84 dollars per unit on the January 2026 rate card, down from 1.04 the year before. The full mechanics of placing, tracking, and receiving removals are in our 2026 guide to Amazon removal orders.

Here is the process as it actually runs on a warehouse floor.

The three buckets deserve precision, because the grading standard is the whole product.

Those shares are illustrative round numbers, not a promise. Electronics with serialized seals recover worse. Sealed consumables you cannot legally resell recover at zero and should mostly skip the loop entirely. But for general merchandise, hitting 80 to 85 percent recovery on a batch of returns graded unsellable is normal, which tells you how blunt the original grading was.

And every recovered unit does double duty: it is inventory you did not have to rebuy, and it is a loop unit that will never generate its next one star review. The intercepted review does not show up on any invoice, but it is probably the most valuable line in the whole exercise.

The Math: When the Loop Is Worth Running

Remove and inspect is not free, so it is not always right. Here is a didactic example with deliberately round numbers. Say a batch of 100 returned units of a product that sells for 25 dollars, with a landed cost of 8 dollars.

Run the recovery at the illustrative shares above: 60 units sellable, 25 repacked, 15 written off. You spent about 400 dollars and put 85 units worth 25 dollars each back on sale. That is over 2,100 dollars of recovered retail, or, measured conservatively against replacement cost instead of price, 680 dollars of inventory you did not have to buy again. Either way the 400 dollars is not a close call.

Now run the identical batch at an 8 dollar sale price. The same 4 dollars of touch cost eats half the ticket, and after referral and fulfillment fees on the resale there is nothing left. That batch should go to liquidation, where you take a steep discount but spend zero labor.

What This Looks Like With a Prep Partner

Returns processing is standard work for a full service FBA prep center. Still, ask pointed questions before you route removals anywhere. Inspection is exactly the kind of work that degrades quietly when a facility gets busy. Ask whether every unit is opened or just sampled. Ask what the per unit inspection and repack pricing is, in writing, so the math above has real inputs. Ask how graded results come back to you. A batch reported as one number taught you nothing. A batch reported as three buckets, with counts and photos, taught you which SKUs to stop looping.

At PrepVia in Miami, Florida, removals from Amazon FCs land on the same receiving discipline as inbound freight: counted against the removal order, opened unit by unit, graded into the three buckets, rebuilt, relabeled, and returned to FBA as one consolidated shipment with a per unit report at the end. The reverse flow is not a favor bolted onto the forward flow. It is the same operation pointed the other way.

Frequently Asked Questions

Why does Amazon regrade damaged returns as sellable?

Return grading at the fulfillment center is fast and relies heavily on what can be seen from outside the package. If the outer box looks intact, a unit can grade as sellable even when the product inside is opened, incomplete, or damaged, and it goes straight back into your available inventory under the same FNSKU. Graders do not open every retail box, so a carefully repacked return passes. The misgrade only becomes visible when the next buyer receives the unit.

What is remove and inspect for FBA returns?

It is the practice of pulling returned and unfulfillable inventory out of Amazon with a removal order and putting human eyes on every unit instead of disposing of it blind. Each unit is opened, checked, and graded into one of three buckets: sellable as is, repackable, or loss. The first two buckets get fresh packaging and labels where needed and go back to FBA in a new shipment, and only the true losses are written off.

How do prep centers process Amazon returns?

A prep center receives the removal shipment, counts it against the removal order, and flags shortages. Then every unit is opened, inspected, and graded, repackable units get new poly bags or boxes and fresh FNSKU labels, and the recovered inventory is consolidated into a single new FBA shipment. A good operation closes the batch with a per unit report showing exactly what was recovered, what was rebuilt, and what was written off and why.

When is reinspecting returns worth the cost?

It depends on the sale price and your recovery rate. The full touch, meaning removal fee, freight, inspection, repack, and reshipping, commonly lands in the low single dollars per unit, so products selling above roughly 20 dollars almost always pay for the loop many times over. Below roughly 10 dollars the touch cost rivals the margin and liquidation usually wins. In the band between, run one pilot batch, measure the actual recovery rate, and let that number decide.