hi for me i will give some revenu platforms i alrady test them .
selling digital on ebay : you can sell for example windows 10 activation key microsoft office key (you can buy them with lower price and re sell them)
selling digital on etsy
dropshiping amazon to ebay or etsy.
hello , any idea where to Buy activation jey of Windows 10 microsoft ? or other things like Installer of Macbook and other installers ? thanks for the answer.