Selling on Amazon can be profitable, but the margins are tighter than most beginners expect. Between referral fees, fulfillment costs, advertising spend, and the operational effort required to stay competitive, you need to understand the full cost structure before deciding if the opportunity fits your situation. For many sellers, the access to Amazon’s massive customer base justifies those costs. For others, the fees eat too deeply into margins to make the math work.
What Amazon Actually Charges You
Amazon’s fee structure has several layers, and they all come out of your revenue before you see a dollar of profit. The first decision is your selling plan. The Professional plan costs $39.99 per month and makes sense if you sell more than a handful of items. The Individual plan has no subscription fee but charges $0.99 per item sold, which adds up fast.
On top of that, Amazon takes a referral fee on every sale. This is a percentage of the sale price that varies by product category. Most common categories like Home and Kitchen, Toys, Sports and Outdoors, and Office Products carry a 15% referral fee. Some categories are lower: Computers and Consumer Electronics sit at 8%, and Automotive is 12%. Others run higher: Jewelry takes 20% on the first $250 of each sale, and Amazon Device Accessories hit 45%. A few categories use tiered pricing. Clothing, for example, charges 5% on items priced at $15 or under, 10% between $15 and $20, and 17% above $20.
These referral fees are non-negotiable. If you’re selling a $25 kitchen gadget, Amazon keeps $3.75 off the top before any other costs are factored in.
Fulfillment Costs: FBA vs. Shipping It Yourself
You have two main options for getting products to customers. Fulfillment by Amazon (FBA) means you ship your inventory to Amazon’s warehouses, and they handle storage, packing, shipping, and customer returns. Fulfillment by Merchant (FBM) means you ship orders yourself or use a third-party logistics company.
FBA charges per-unit fulfillment fees based on size and weight, plus monthly storage fees per cubic foot. In recent years, Amazon has added inbound placement fees, low-inventory-level fees, aged inventory surcharges, and return processing fees. These costs stack up, especially for bulky or slow-moving products. The upside is significant: FBA products automatically display the Prime badge, which gives you access to Amazon’s fastest shipping tiers and tends to boost your visibility in search results and your chances of winning the Buy Box (the default “Add to Cart” button that captures most sales).
FBM avoids Amazon’s fulfillment and storage fees, but you still pay the same referral fee on each sale. Your fulfillment costs become whatever you spend on your own warehouse operation or a third-party logistics provider. A typical 3PL charges receiving fees, monthly storage, pick-and-pack fees per order, packaging materials, outbound shipping costs, and returns processing. The tradeoff is execution responsibility. Amazon holds FBM sellers to strict performance metrics on late shipment rates, cancellation rates, and valid tracking. Miss those benchmarks and your account health suffers, regardless of product quality.
For most new sellers with limited logistics experience, FBA is simpler to manage. But if your products are large, heavy, or slow to turn over, FBM through a reliable 3PL can be significantly cheaper.
Advertising Is Nearly Essential
Organic visibility on Amazon is extremely competitive. Most new sellers need to run Amazon PPC (pay-per-click) ads to get their listings in front of shoppers, at least during the launch phase and often permanently. The average cost per click on Amazon ads is currently around $1.18, and the average Advertising Cost of Sales (ACOS) sits at roughly 32%. ACOS measures what percentage of your ad-driven revenue goes to ad spend. So if you generate $100 in sales from advertising, about $32 of that went to clicks.
That 32% average varies by category and competitiveness, typically landing somewhere in the 25% to 36% range. For a new product with no reviews and no sales history, expect your ACOS to run higher than average while you build momentum. This is one of the most underestimated costs for new sellers. If your product margins are already thin after referral fees and fulfillment, advertising can push you into negative territory for months before you see a return.
A Realistic Look at the Numbers
Here’s a simplified example to illustrate how the math works. Say you source a product for $8 and sell it on Amazon for $30. Your costs might break down like this:
- Product cost: $8.00
- Referral fee (15%): $4.50
- FBA fulfillment fee: roughly $3.50 to $6.00 depending on size and weight
- Advertising (32% ACOS on the sale): $9.60
- Remaining before other costs: roughly $2 to $5
That leaves a narrow profit margin, and it doesn’t yet account for storage fees, returns, product photography, packaging inserts, or the monthly $39.99 subscription spread across your sales volume. At scale, with hundreds or thousands of units moving each month, those fixed costs shrink per unit and ad efficiency often improves as your listing accumulates reviews. But in the early months, many sellers operate at breakeven or a loss while building traction.
What Makes Some Sellers Profitable
The sellers who consistently make money on Amazon tend to share a few characteristics. They choose products with healthy margins, generally aiming for a landed cost (product plus shipping to Amazon) that’s no more than 25% to 30% of the sale price. They pick categories where competition is present but not dominated by massive brands or dozens of nearly identical listings. They invest in strong product listings with professional photography, keyword-optimized titles and descriptions, and a strategy for earning early reviews through legitimate means.
Private label sellers, those who create their own branded products manufactured to their specifications, often have the best long-term margins because they control pricing and aren’t competing against the brand owner on their own listing. Resellers and arbitrage sellers (buying discounted products from retailers and reselling on Amazon) can find quick wins but face constant sourcing challenges, thinner margins, and higher risk of authenticity complaints.
Risks That Can Sink Your Business
Amazon controls the platform, and that means your business operates on their terms. Account suspension is a real and common risk. Amazon enforces strict product authenticity standards. If a customer complains about quality or packaging, or if Amazon requests supplier invoices and you can’t provide clear documentation from authorized distributors, suspension can happen quickly. An “inauthentic” complaint doesn’t necessarily mean you sold a counterfeit. It means Amazon has doubts about your product’s source.
Intellectual property issues are another frequent trigger. Selling branded products without authorization, using copyrighted images in your listings, or inadvertently infringing on a patent can all lead to deactivation. Amazon generally doesn’t investigate IP disputes itself. It expects sellers to resolve them directly with the rights holder, and your listing stays down in the meantime.
Operational failures matter too. Manipulating reviews, running multiple accounts without approval, creating misleading listings, or letting your Order Defect Rate climb too high from negative reviews, A-to-Z claims, or chargebacks can all result in suspension. Amazon also conducts periodic identity and payment verification, and slow or incomplete responses get flagged as non-compliance. When your account is suspended, your inventory is frozen, your cash is held, and the appeals process can take weeks or longer.
Who Should (and Shouldn’t) Sell on Amazon
Selling on Amazon is worth it if you have a product with strong enough margins to absorb 30% to 50% of revenue in platform fees and advertising, the willingness to learn and manage PPC campaigns, and the patience to invest in a launch period that may not be immediately profitable. It’s a particularly strong channel if you already have a product and want to tap into Amazon’s enormous buyer traffic rather than building your own audience from scratch.
It’s likely not worth it if you’re working with razor-thin margins, selling commodity products with dozens of identical competitors, or expecting passive income without ongoing management. Amazon rewards sellers who actively optimize their listings, monitor their ad spend, manage inventory levels carefully, and stay compliant with evolving policies. It’s a real business that demands real attention, and the sellers who treat it that way are the ones who make it work.