Their pricing are insane, they take a cut on your product price, but also on the delivery method and even on the taxes !
It amounts to about 13% of total price, including delivery and taxes.
It looks absolutely insane to me, but some people seem to defend it.
To put some perspective, here in France we have an extremely profitable competitor called Leboncoin, it's crushing eBay shares in the country, and they take only 5% cut on the product price.