Commerce Catalysts

09.17.2025
Retail MediaBlog

How Overpaid Amazon Referral Fees Can Quietly Drain Profitability

Retail MediaBlog

Referral fees may feel like a given for most brands selling on Amazon. You know you’re paying a percentage of every sale, and you build that into your margin model. But do you know if you’re actually paying the right percentage? Just like with chargebacks, these hidden discrepancies can quietly erode profitability without anyone noticing.

That’s exactly what we uncovered for one of our clients recently. Here’s a breakdown of what happened.

When 2% Becomes a Margin Leak

When products are listed on Amazon, each product is assigned a referral fee based on its category. This fee structure can change if a product’s category is altered. In some cases, multiple referral fees might apply, depending on the nuances of the product or its category.

In our client’s case, 24 products were incorrectly classified in Amazon’s fee structure: instead of being categorized under Tools and Home Improvement at 13%, they were automatically assigned to Home and Kitchen at 15%. That two-point gap translated into consistent overpayment across 10 ASINs year-to-date.

On paper, it is the kind of discrepancy that does not raise alarms. In reality, it is margin that should have stayed with the brand. So, we went to work.

How We Recovered the Fees

Catching and correcting this required more than a quick glance at reports. We: 

  • Cross-checked the client’s fee categories against Amazon’s country-specific category tables 
  • Opened multiple cases to create a template for each affected ASIN, making things simpler for Seller Support 
  • Completed Amazon’s reimbursement template, providing all necessary proof: order IDs, fee amounts paid, net sales, and the corrected fee rates 
  • Submitted documentation across all relevant case IDs to secure repayment 

By the end, the client not only had their products in the right category but also received reimbursement for the overpaid fees.

Why This Matters for Brands

Amazon’s fee structure is not static, and misclassifications happen more often than many sellers realize. The problem is subtle: there is no automatic alert telling you when a product is paying the wrong rate. Without routine checks, brands can end up with inflated costs on items that already run on thin margins. 

For brands operating at scale, these small percentage differences multiply quickly. Even a 1-2% swing in referral fees can reshape profitability targets and have six- or seven-figure implications depending on the size of the catalog.

The Takeaway

Fee discrepancies are not just accounting issues, they are profit leaks. The best way to prevent them is through ongoing monitoring, clear documentation, and proactive reimbursement claims when errors occur. 

On Amazon, small numbers can add up fast. At Front Row, our team makes sure clients do not leave money on the table. From fee audits to reimbursement recovery, we treat every percentage point as meaningful margin. Reach out to us, and let’s start recovering what you are owed.