I have been interested in the topic of dropshipping for a long time. I want to try to start doing it. I want to start selling goods from Aliexpress on eBay. Can you tell me if it is profitable? And in general, where can I read more about it?

Yes, of course, it is profitable, if you will intelligently select relevant, cheap goods from one site and sell them much more expensive on another, and accordingly receive a percentage of sales of each of them. Read more about how to do dropship on eBay from Aliexpress here https://easync.io/articles/from-aliexpress-to-ebay-dropshipping-guide/. This article will help you to understand this issue in more detail and in depth.