Explainer December 10, 2025 Pablo Mezzeli 8 min read

Understanding Amazon Fees to Protect Your Profit

Everything You Need to Know About Amazon Fees

Understanding Amazon Fees to Protect Your Profit

Selling on Amazon can be a rewarding venture, but it’s crucial to understand the myriad fees involved to protect your profit margins. As an Amazon seller, the last thing you want is to be caught off guard by unexpected costs that eat into your revenue. I’ve seen many sellers overlook these fees, only to wonder why their profits aren’t what they anticipated. Let’s dive into the world of Amazon fees so you can safeguard your profits and make informed decisions.


What Exactly Are Amazon Fees?

Amazon fees are the costs associated with selling on the platform. These include referral fees, fulfillment fees, storage fees, and other costs like advertising and returns. At its core, Amazon charges a referral fee for each sale, which is essentially their commission. This fee typically ranges from 6% to 45% depending on the product category, with most categories falling around 15%.

Fulfillment by Amazon (FBA) fees cover the cost of storing, packing, and shipping your products. These fees vary based on the size and weight of your products. Storage fees are charged monthly and are calculated based on the volume of your inventory stored in Amazon’s warehouses.

Understanding these fees is essential for setting your pricing strategy. Think of it like a restaurant factoring in the cost of ingredients, rent, and labor to price a dish. Without knowing your costs, you can’t set a profitable price.


Why Amazon Fees Matter for Sellers

Ignoring Amazon fees can lead to razor-thin margins or even losses. By understanding these costs, you can price your products competitively while ensuring profitability. For instance, if your landed cost per unit is $10, and Amazon’s fees amount to $5, selling your product at $20 might seem profitable. However, without accounting for returns, advertising, and unexpected costs, you might find your profits dwindling.

Statistics show that U.S. consumers returned $685 billion of merchandise in 2024, which is about 13.21% of retail sales. Returns are a significant factor that affects profitability, especially if not accounted for in pricing. Additionally, nearly one million new sellers joined Amazon in 2024, increasing competition and fee pressure. Understanding and managing fees is crucial to staying competitive in this landscape.


How Amazon Fees Work in Practice

Step 1: Calculate Your Referral Fees Start by determining the referral fee for your product category. This information is available on Amazon Seller Central. If your product sells for $50 and falls under a category with a 15% referral fee, you’ll pay $7.50 in referral fees.

Step 2: Understand Fulfillment Fees For FBA sellers, calculate fulfillment fees based on your product’s size and weight. Use Amazon’s FBA revenue calculator to simulate different scenarios. For instance, a standard-sized item weighing 1 lb might incur a $3 fulfillment fee.

Step 3: Account for Storage Fees Calculate monthly storage fees based on your inventory volume. For standard-size products, it’s around $0.87 per cubic foot. During peak seasons like October to December, fees can rise significantly.

Step 4: Consider Additional Costs Don’t forget advertising costs, which can vary greatly depending on your strategy. Successful sellers often allocate a percentage of their revenue to advertising to drive sales and compete effectively.

Real-World Example Imagine selling a kitchen utensil. It costs you $5 to produce and ship to Amazon. You sell it for $25. After referral and fulfillment fees, and accounting for a 10% return rate, you clear about $10. With advertising costs at $2 per unit, your profit is $8 per unit. This breakdown helps you understand where your money goes.


What Most Sellers Get Wrong About Amazon Fees

Myth 1: Fees Are Fixed and Unavoidable Many sellers believe fees are set in stone. In reality, you can influence them by choosing different fulfillment methods or reducing storage times.

Myth 2: Lowering Prices Is the Best Way to Compete Some sellers drop prices to increase sales, unaware that it might not cover the fees. Competing on total value, not just price, is often more sustainable.

Myth 3: All Products Have the Same Profitability Failing to calculate the true floor price per SKU can lead to losses. Each product has unique costs, and it’s vital to know these numbers.


How to Use This Knowledge in Your Business

Actionable Steps:

  1. Use the FBA Revenue Calculator: Regularly estimate fees and adjust your prices accordingly.
  2. Monitor Inventory Levels: Avoid long-term storage fees by keeping inventory lean.
  3. Optimize Your Pricing Strategy: Use tools like net margin repricing to stay competitive without sacrificing profit.

Best Practices:

  • Regularly review your cost structure and adjust your pricing strategy.
  • Consider alternative fulfillment methods to see if they lower costs.
  • Keep a close eye on return rates and factor them into your pricing.

For more insights on optimizing your Amazon selling strategy, check out our guides on How to Avoid Selling Restricted Products on Amazon and Amazon Vine: How to Get Legitimate Reviews.

👉 Want better results? Discover the tools that actually work for Amazon sellers at mezzeli.com/tools.

Pablo Mezzeli

Pablo Mezzeli

Amazon Seller Guide

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