Every fee both marketplaces charge a US seller, side by side — then the same product run through both so you can see what actually lands in your pocket.
On a $29.99 item with $8.00 of product cost and $5.00 of shipping, Shopify leaves you about $3.33 more per unit than Walmart Marketplace — $15.82 against $12.49. That is before advertising, and it can reverse at a different price point or in a different category, which is exactly why the calculator below takes your numbers.
Dataset 2026.07 · worked with the same engine as every Farolane calculator · example uses the general category; ranges reflect published commission bands.
| Category | Shopify | Walmart Marketplace |
|---|---|---|
| Apparel & Accessories | 0% | 15% |
| Electronics | 0% | 8–15% |
| Beauty & Personal Care | 0% | 15% |
| Home & Kitchen | 0% | 15% |
| Jewelry | 0% | 20% |
| Toys & Games | 0% | 15% |
| Grocery & Gourmet | 0% | 8–15% |
| Other / General | 0% | 15% |
| Shopify | Walmart Marketplace | |
|---|---|---|
| Commission charged on | Item price + shipping you charge | Item price only |
| Payment processing | 2.9% + $0.30 | No separate fee — bundled into the commission |
| Per-order / closing fee | None | None |
| Fixed monthly cost | $39.00/mo — Basic plan | None |
| Rates verified | Yes — 2026-07-10 | Yes — 2026-07-09 |
Sources: Shopify fee schedule · Walmart Marketplace fee schedule
Both figures come from the same calculation: order revenue minus commission on whichever base the platform actually uses, minus per-order and payment fees, minus the consumption tax sitting inside your price where that applies, minus your product cost and shipping. No midpoints are invented — where a marketplace publishes a band, you see the band.
No marketplace commission. Shopify Payments 2.9% + $0.30 (Basic, online card; $29/mo on annual billing). You bring your own traffic — ad CAC matters most here. Sales tax: you must register/remit where you have nexus (buyer pays). Referral fee 6–15% by category (jewelry up to 20%), on sale price excl. shipping. No monthly fee. Payments included.
On a $29.99 product costing $8.00 with $5.00 shipping, Shopify nets about $15.82 per unit versus $12.49 on Walmart Marketplace — a gap of roughly $3.33. That ordering can flip with a different price or category, so run your own numbers before committing.
Shopify charges 0% in the general category and Walmart Marketplace charges 15%. Both vary by category — the full table on this page lists every one.
US marketplaces collect and remit sales tax as facilitators, so it never touches your margin. The comparison above is after all seller-side fees.
Yes, and most established sellers do — the point of comparing is knowing which one deserves your ad budget and your best pricing. The Goal Planner can split a monthly profit target across both channels at once.