You can search for Sellers via the Advanced link to the right of the eBay Search window. Scroll down to the Seller section and enter the ID and complete the Search at the top or bottom of the page.

The quickest way to search on eBay is by using our search bar at the top of most pages. Type in what you're looking for, hit Search, and we'll find the items that best match your search.

Yes. Although certain answers on google ..... will say otherwise. Facebook marketplace is still the number one platform,aside from selling locally. Now if your just selling Chinese knockoffs ,then ebay may still be an ok place to sell.