Best Platform for Selling Pet Supplies in 2026
Most pet supplies are commodity-priced, so the 12.7% eBay rate plus shipping can make margins razor-thin on cheap items.
The honest first routes for Pet Supplies
For pet supplies, eBay is usually the best first check and Mercari is the clean low-fee second pass. The lifestyle marketplaces only matter when the item behaves more like a niche gift or design product.
Best first check: eBay
Strongest general baseline for practical pet inventory.
Open eBay routeLow-fee check: Mercari
Best clean second pass when you want simpler economics.
Open Mercari routeTreat design-led pet items as a different problem
Custom, giftable, or handmade pet items may need a different audience from the practical default.
Fee comparison for Pet Supplies
| Platform | Fees | You Keep | Effective Rate | vs Cheapest |
|---|---|---|---|---|
| Depop | $3.02 | $74.98 | 3.9% | Lowest |
| Mercari | $7.80 | $70.20 | 10.0% | +$4.78 more |
| Facebook Marketplace | $7.80 | $70.20 | 10.0% | +$4.78 more |
| Etsy | $7.86 | $70.14 | 10.1% | +$4.84 more |
| Whatnot | $8.16 | $69.84 | 10.5% | +$5.14 more |
| Grailed | $10.23 | $67.77 | 13.1% | +$7.21 more |
| eBay | $10.31 | $67.69 | 13.2% | +$7.29 more |
| Amazon | $11.70 | $66.30 | 15.0% | +$8.68 more |
| Poshmark | $14.00 | $64.00 | 17.9% | +$10.98 more |
| StockX | $8.40 | $61.60 | 12.0% | +$5.38 more |
Check category rankings against fee data
This category hub ranks marketplace options for Pet Supplies. Use the Fee Index for same-input marketplace rows, Fee Changes for recent policy updates, and Seller Reports for dated summaries before citing a category winner or fee trend.
After the source check, open the top platform calculators with your exact sale price, shipping, item cost, and category assumptions.
Test the winner before you list
Use this category ranking as the shortlist, then run the sale through payout, break-even, shipping, and item-specific guides before choosing the final marketplace.
Depop is the cheapest for Pet Supplies at $70.00, charging $3.02 vs. StockX's $8.40 -- a $5.38 gap.