Buying is usually free.

The seller pays a fee to process the payment.

A currency conversion fee may apply.

Selling is 4.4% + $0.30 USD per international payment.

Sell on website, eBay, through invoice or email payments (standard rate for international payments) 4.4% + fixed fee based on the currency received*
Additional currency conversion fees may apply.
*For example, for payments received in USD, the fixed fee is $0.30 USD.