Why would it be appropriate to charge a fee on an amount that I did not profit from? Where does it in this Final value fees tell me I will be charged a 15% fee on taxes? 'We charge one final value fee when your item sells, and you don't have to worry about third-party payment processing fees. This fee is calculated as a percentage of the total amount of the sale, plus a per order fee. For orders $10.00 or less the per order fee is $0.30, for orders over $10.00 the per order fee is $0.40. The total amount of the sale includes the item price, any handling charges, any shipping costs collected from the buyer (some exceptions apply ), sales tax , and any other applicable fees. 15% on total amount of the sale up to $1,000 calculated per item 6.5% on the portion of the sale over $1,000 up to $7,500 calculated per item 3% on the portion of the sale over $7,500"