Dropshipping Fees Explained: PayPal, Stripe & Supplier Costs
The gap between "revenue" and "money that's actually yours" in dropshipping is made up almost entirely of fees — and most of them are individually small enough to ignore, right up until you add them all up at the end of the month and wonder where the profit went. This guide walks through every fee category that typically applies, roughly how each one behaves, and how to price so none of them catch you off guard.
1. Payment processing fees
Every payment gateway — whether it's built into your store platform or a separate provider — takes a cut of each transaction, usually structured as a percentage of the order plus a small fixed amount. The exact rate depends on your provider, your country, your currency, and whether the card is domestic or international, and rates do change over time, so it's worth checking your specific provider's current pricing page rather than relying on a number you saw once.
What's more predictable is the shape of the fee: the fixed portion hits small orders harder than large ones. A $0.30 fixed fee is a meaningful chunk of a $5 order but nearly invisible on a $150 order — which is one more reason average order value matters as much as margin percentage. Run your own numbers through the Payment Fee Calculator to see your real effective rate.
2. Supplier and product costs
The obvious one — what you pay to source the product — but two details inside it are easy to under-count: whether the price you were quoted includes the supplier's own shipping to you (if you hold any stock) or direct-to-customer, and whether bulk or seasonal pricing changes are reflected in the number you're actually using to calculate margin. A cost that was accurate when you first found the product can quietly drift.
3. Shipping you cover
"Free shipping" is free for the customer, not for you. If you're not passing shipping cost directly to the buyer, it needs to be added into your total cost per order just like the product price is — this is one of the most common omissions in a beginner's margin calculation, and one of the easiest to fix. The Profit Margin Calculator has a dedicated field for exactly this.
4. Platform and app subscriptions
Your store platform fee and any paid apps (reviews, upsells, currency conversion, inventory tools) are usually monthly recurring costs rather than per-order costs — but they still need to be covered by your margin across all your sales in a month. A store with $80/month in combined subscriptions and a $10 profit per order needs 8 orders a month just to break even on tooling alone, before a single dollar of actual profit exists. The Break-Even Calculator is built specifically to show this number.
5. Advertising cost per order
Once paid ads enter the picture, "cost per order" stops being just the product cost — it includes what you spent in ad spend to generate that specific sale. A product with a great margin can still lose money overall if the ad cost to acquire each customer exceeds the profit that margin provides. This is the exact gap the ROAS & Ad Spend Calculator is designed to catch, by comparing your actual return on ad spend against the minimum (break-even) ROAS your margin can support.
6. Returns, refused deliveries, and chargebacks
Some percentage of orders won't complete cleanly — a customer returns the item, refuses delivery (common with cash-on-delivery models), or disputes the charge with their bank. Beyond losing the sale, many processors also don't refund the original processing fee when an order is refunded, meaning a returned order can cost slightly more than a sale that simply never happened. Sellers with a meaningful return rate often build a percentage point or two of buffer directly into their target margin to absorb this, rather than being surprised by it every month.
7. Currency conversion, if you sell internationally
If you're paid in one currency but your supplier, ad platform, or bank account operates in another, currency conversion — whether done by your payment processor, your bank, or your ad platform — typically carries its own small fee or unfavorable exchange rate. It's easy to overlook because it doesn't show up as a clearly labeled line item the way a processing fee does.
Putting it all together
None of these fees are individually dramatic. The problem is that they compound — a product with a 40% "product margin" can end up closer to 15-20% net once payment fees, a realistic return rate, and a fair share of ad spend are all subtracted. The fix isn't to memorize every fee; it's to build a small buffer into your target margin from the start, and to check the real numbers with a calculator rather than assume the product-level margin is the whole story.