Sell ten $5 cards a day?
RocketVault costs about $3 a day in seller fees. That is roughly $60.00 a month less than CollX or Mercari, $165.00 less than Whatnot, and $215.50 less than eBay when listing 300 cards per month.
The eBay example includes 50 insertion fees after its assumed 250 included monthly listings. CollX withdrawal fees are excluded.
Assumptions: one U.S. sports-card sale, item price only, with no shipping, tax, optional promotion, subscription, withdrawal, or seller-paid shipping. My Card Post values exclude PayPal processing.
- RocketVault: Processing included; no monthly, listing, payout, or withdrawal fee.
- Fanatics Collect: Requires vaulted inventory and qualifying pricing; otherwise 12% can apply.
- My Card Post Free: The displayed amount excludes variable PayPal processing.
- CollX: Processing included; a $2 withdrawal fee may apply.
- Mercari: Calculated on item price and buyer-paid shipping.
- Whatnot: Current limited-time 0% commission above $1,500; processing continues.
- eBay, no Store: Sports-card rate; fee base can include shipping and buyer-paid tax.
Sources last verified September 4, 2026: RocketVault, Fanatics Collect, My Card Post Free, CollX, Mercari, Whatnot, eBay, no Store.