eBay

The number of items sold are not showing up on my page. It says number of items sold on one line and the next line it shows a -- It doesn't tell me how much I've sold. Why is that?

When I sell a product, ebay takes a percentage of the flat rate fee I charge for shipping and envelope, as well as for the product I am selling. Why? If I charge the buyer what it costs to ship it, I don't understand why Ebay takes a percentage of th...