eBay

This is the message that I get from eBay when I tried to buy a gold coin just now:"To ensure that eBay remains a safe marketplace to accept payments, limits are being placed on accounts based on reviews. These limits may change over time and are dete...

Every item that I attempted to buy today was blocked not by the seller but by ebay. I don't understand this at all.

As far as I know I have never had an unpaid item on ebay that wasn't a return. This is new for me. I've been an ebay buyer and seller for many years.