Best Platform for Selling Baby & Kids in 2026
Buyers scrutinize safety and cleanliness more than in other categories -- condition photos matter more than brand here.
The honest first routes for Baby & Kids
For baby and kids inventory, start with eBay, use Mercari as the low-friction second check, and only move toward Etsy when the item behaves more like handmade, nursery, or giftable inventory than practical secondhand gear.
Best first check: eBay
Strongest broad-market baseline for practical baby and kids inventory.
Open eBay routeSimple second check: Mercari
Best low-friction alternative when the listing still works at the same accepted price.
Open Mercari routeGiftable exception: Etsy
Best audience check when the item is handmade, nursery-led, or decor-adjacent rather than purely practical.
Open Etsy routeFee comparison for Baby & Kids
| Platform | Fees | You Keep | Effective Rate | vs Cheapest |
|---|---|---|---|---|
| Depop | $3.35 | $84.65 | 3.8% | Lowest |
| Mercari | $8.80 | $79.20 | 10.0% | +$5.45 more |
| Facebook Marketplace | $8.80 | $79.20 | 10.0% | +$5.45 more |
| Etsy | $8.81 | $79.19 | 10.0% | +$5.46 more |
| Whatnot | $9.25 | $78.75 | 10.5% | +$5.90 more |
| Grailed | $11.48 | $76.52 | 13.0% | +$8.13 more |
| eBay | $12.37 | $75.63 | 14.1% | +$9.02 more |
| Amazon | $13.20 | $74.80 | 15.0% | +$9.85 more |
| Poshmark | $16.00 | $72.00 | 18.2% | +$12.65 more |
| StockX | $9.60 | $70.40 | 12.0% | +$6.25 more |
Check category rankings against fee data
This category hub ranks marketplace options for Baby & Kids. 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 Baby & Kids at $80.00, charging $3.35 vs. StockX's $9.60 -- a $6.25 gap.