It's not just you. Take a look at this thread
https://community.ebay.com/t5/Selling/Ebay-Sales-completely-stopped-in-last-2-months-October-2022/td-p/33284514
I'm down 85% in sales the last two months (on my other account).
Yes, agreed. I've been selling on eBay full-time since 1998, have a
couple of accounts. These last 3 months have been the worst ever;
especially November. My sales are down 70-85%. The last sale November
20, 2022 and not a single sale or inquiry sinc...