eBay bans bidders like that. What was the situation? Once the item has gone to the highest bidder, the same is required within a certain amount of time or the bidder will be banned.
I basically sold an item and a dickhead bid on it because he found it amusing. Initially, I had forgotten to mention that the item was cleaned, but what does ebay decide to do? They removed my item which could have been solved with a simple email. It was a simple oversight to leave out that it was cleaned it or not. After that, I had reposted it and then had bidders on it. After I had the final bid, I knew the guy was a troll because, his address was a PO Box.
I then messaged him and I knew he was online but got no response. In the ad, I had specifically mentioned that I don't post to a post office box because I need to know if it's a legitimate transaction or not. Anyone can create a PO BOx for 12 dollars a month to just being an asshole. They also have PO Boxes for illegal activities for drugs etc....
I had also mentioned that I only take paypal and don't take direct deposit. Here the ebay don't do anything so a bit of fun the users have multiple accounts to avoid getting that strikes or bans to stay under the radar. They buy garbage from ebay or have friends do fake buying to boost their ratings and then dabble in for some fun. Ebay IMO should just allow one account per user and they need to ask for things like passport to verify the identity. This is avoid things like fraud and it's no wonder ebay is so rampant on it. I will pm you the guy's name and won't post it here.
It's times like this I wish that ebay was more heavy handed towards buyers. They take the buyer's side and not the seller's side always and it's no wonder they are driving people away. There are so many scammers on there. I now have a bill because ebay will only credit the bill unless I beg them to refund it. I also have to wait 10 days before I can give a second chance offer too.