eBay

I made a sale. The seller paid for shipping. I got an email with a link that says, "get a shipping label or QR code." But when I click it there is no QR code. I took it to the post office and the guy said the label was invalid. What do I do? I really...

Hello. Quick question, I just sold my first item (a baseball card for $7.50). The buyer provided the shipping label for $1.12. I will need to go to the post office and buy a shipping envelope, then send it. I haven't shipped anything in a while, I am...