Amazon lost 47 units of a client's product last quarter. Damaged another 23. Overcharged on storage fees for inventory that had already sold. Total owed: $3,847.
The client had no idea until we ran the audit.
This isn't rare. This is normal. Amazon FBA reimbursements exist because Amazon's fulfillment network processes billions of units annually. Things go wrong constantly. Products get lost in transit between warehouses. Workers damage items during receiving. Customers return empty boxes and Amazon credits them anyway.
The money is sitting there. Amazon won't volunteer it. You have to ask.
Why Amazon FBA Reimbursements Matter More Than You Think
Most sellers treat reimbursements as a nice-to-have. A few hundred bucks here and there. Not worth the hassle.
Wrong.
We run quarterly reimbursement audits for every client in our Growth Team OS™ program. Typical recovery: $500 to $5,000+ per year depending on volume. For brands doing $1M+ annually on Amazon, we've seen recoveries exceed $15,000 in a single audit.
That's not revenue. That's pure profit. Money Amazon already took from you that flows straight to your bottom line.
Revenue is vanity. Contribution margin is sanity. And FBA reimbursements are contribution margin you've already earned but haven't collected.
The Seven Categories of Amazon FBA Reimbursements
Amazon owes you money in more ways than you realize. Here's what we audit every quarter:
1. Lost Inventory
Units that Amazon received but can't locate. This happens during inbound shipment processing, warehouse transfers, and general fulfillment operations. Amazon's warehouses are massive. Things disappear.
2. Damaged Inventory
Products damaged by Amazon's fulfillment centers or carriers. Not customer returns—items Amazon broke before they ever shipped. You get reimbursed at the product's value minus fees.
3. Customer Return Issues
Customer returns where Amazon refunded the buyer but never received the item back. Or received it back but didn't add it to your inventory. Or received a different item entirely. The return process leaks money constantly.
4. Destroyed Inventory Without Authorization
Amazon sometimes destroys inventory deemed unsellable without your approval. If they destroyed units you didn't authorize, you're owed reimbursement.
5. Overcharged Fees
Weight and dimension errors lead to incorrect FBA fees. If Amazon measures your product wrong, you're overcharged on every single unit. This adds up fast on high-velocity ASINs.
6. Inbound Shipment Discrepancies
You ship 500 units. Amazon receives 487. Where did the other 13 go? Sometimes they show up weeks later. Sometimes they don't. Either way, you're owed money for what didn't make it to sellable inventory.
7. Removal Order Issues
Units you requested removed but never received. Or received in worse condition than documented. Amazon's removal process has its own set of failure points.
How to Audit for Amazon FBA Reimbursements
The manual process is painful. You need to cross-reference multiple reports, identify discrepancies, calculate reimbursement values, and file cases with the exact documentation Amazon requires. Most sellers start with good intentions and give up after an hour.
Here's the systematic approach we use:
Step 1: Pull the Right Reports
You need the Inventory Adjustments Report, Received Inventory Report, FBA Customer Returns Report, Reimbursements Report, and Removal Order Detail Report. Date ranges matter. Amazon has time limits on reimbursement claims—typically 18 months for most categories.
Step 2: Identify Discrepancies
Compare what you sent versus what Amazon received. Compare what Amazon reported as damaged versus what they actually reimbursed. Compare customer returns credited to you versus actual inventory returned. Every gap is potential money.
Step 3: Calculate Reimbursement Values
Amazon reimburses based on your item's average selling price minus fees. For some categories, they use a predetermined valuation. Know the difference before you file.
Step 4: File Cases with Documentation
Generic cases get denied. Specific cases with transaction IDs, dates, quantities, and supporting documentation get approved. Every case should reference exact shipment IDs, FNSKU numbers, and the specific discrepancy you're claiming.
Step 5: Follow Up Relentlessly
Amazon's first response is often a denial or a request for more information. Don't give up. Escalate. Resubmit with additional detail. Many valid claims get approved on the second or third attempt.
The Quarterly Audit Cadence
Daily audits waste time. Annual audits miss the window on older claims. Quarterly is the sweet spot.
We run reimbursement audits for our Growth Team OS™ clients every 90 days. This catches issues while documentation is still fresh, stays within Amazon's reimbursement windows, and accumulates enough transaction volume to make the audit worthwhile.
For Blue Forest Holdings, our quarterly audits recovered over $8,000 in their first year working with us. That's pure margin. David Cook, their CEO, told us the reimbursement recovery alone covered a significant portion of our management fees. The rest of our work—doubling their revenue and tripling their profit in 12 months—was gravy.
Common Mistakes That Cost You Money
Mistake 1: Trusting Amazon's inventory counts. Amazon makes mistakes. Constantly. Verify everything against your own shipping records.
Mistake 2: Accepting first-response denials. Amazon's initial case response is automated or handled by low-level support. Real review happens when you escalate with specific documentation.
Mistake 3: Missing the time windows. Most reimbursement categories have 18-month lookback periods. Some are shorter. Wait too long and the money is gone forever.
Mistake 4: Using unverified automation tools. Some third-party reimbursement services file cases indiscriminately, triggering Amazon's fraud detection. Stick to manual audits or services that understand Amazon's terms of service.
Mistake 5: Ignoring small discrepancies. A missing unit here, an overcharge there. It feels trivial. Then you audit a full year and realize those trivial amounts totaled $4,000.
When to DIY vs. Outsource
If you're doing under $250K annually on Amazon, the manual audit process is manageable. Budget four to six hours quarterly. Pull the reports, run the comparisons in spreadsheets, file the cases yourself.
Above $500K? The complexity explodes. More SKUs, more shipments, more transactions, more potential discrepancies. The time cost of thorough audits exceeds the value for most internal teams.
This is why we include quarterly reimbursement audits in every Growth Team OS™ engagement. It's not a separate service. It's part of running your Amazon business properly. When we manage your catalog, creative, PPC, and operations, catching the money Amazon owes you is table stakes.
The Bigger Picture: Operations Drive Profitability
FBA reimbursements are a symptom of a larger truth: Amazon operations are full of margin leaks. Reimbursements are the most obvious. But there's also storage fee optimization, removal timing, inbound shipment strategies, and inventory placement decisions.
Brands that treat Amazon as a set-it-and-forget-it channel leave money everywhere. Brands that treat it like a real business—with proper financial controls and operational audits—capture margin their competitors miss.
We built OBG around this principle. Since 2018, we've grown four different brands to 7 figures and beyond on Amazon. Not by finding magic tactics. By running disciplined operations that capture every dollar available.
Your Next Steps
Start with an audit. Pull your last 18 months of reports. Look for the obvious discrepancies: inbound shipment shortages, lost inventory adjustments with no corresponding reimbursement, customer returns that never hit your sellable inventory.
Even a rough first pass will likely uncover money. Most sellers do.
Then decide whether quarterly audits fit your team's capacity or whether you need operational support to do this properly at scale.
Work With OBG
If you want to see how this would work for your brand, book a free strategy session. We'll audit your account, identify the fastest wins, and map out exactly how we'll execute. And if we don't increase your profitability in the first 30 days, you don't pay. Zero risk.