Just trying to do a little survey, as in what is the most popular product(s) sold over the internet. Male and Female perspective?

I would like to know what sells best on Ebay and information how to do it. What is a great attention getter when selling the product on Ebay. What sells for a high profit margin?Is there any article that isn’t on Ebay that may sell? Welcome to any Ideas that would sell. How do I open a shop on Ebay what is the costs? Genuine replies only Thankyou

I need to find a product easy to manufacture at home (ideally, with a low or medium initial investment), to be sold through the Internet… and to be delivered by post… Any ideas?
Thank you!

I need a product that is produced in the Bahamas that is exported internationally, i.e.- to the U.S. or Canada.

Thanks!

I need to think of an invention and try to sell it persuasively as a product for a school project? Any ideas? It can be dumb.