eBay

Someone please help. The last few items I have sold on ebay, the winning bidder has been unable to pay me. They have all gotten some kind of message saying payment won't go through or something to that effect. For a while it was not accepting cards, ...

Lately I've had problems with Buyers paying through eBay. I can send them an invoice from PayPal but for whatever reason they can't use the checkout on eBay. I don't recall changing any settings but this is starting to get annoying.