eBay

I was wondering how old a seller has to be to have an account? What happens if a child is selling on eBay? Please let me know. Thank you.

I sent an invoice to a buyer, and she said that she didn't receive it. How do I check whether the invoice was sent?

I just tried to list my first item ever on eBay. It has taken my over an hour, and I think I did something wrong. I signed into PayPal to link my eBay account to my PayPal, and I got sent right back to the listing that I was typing. I tried this agai...