Most categories it is 12.9% plus .30 cents, being charged on item sell price, postage and sales tax combined. Suggest you do some reading about selling on ebay.
Oh jeeze this site is screwed up again. When I posted my answer there was 0 answers when I read this post. (5 minutes ago) I thought it was strange it didn't have an answer yet immediately after replying it shows this was answered hours ago.
You don't receive a commission for selling on eBay. You do however pay fees to eBay for selling on eBay. The fees depend on the category your item is in and in some cases the value of the sale. Review the following.
