To understand what sells well, just look at the number of sales for different products. Usually you can see how much has been sold on the page for popular products. Plus you can look for trends through search engines or analytics, this helps too

There are several ways to discover the best top selling items on eBay, and the guide found through the link provides a detailed overview of how to do it. It covers different strategies, from analyzing popular categories and filters to using specialized analytics tools. This approach can help identify trending products that have a high sales volume, making it easier to choose items that are more likely to be profitable