Product research is one of the most important aspects of every Amazon business. You can’t just sell any product you like. You must also sell products that the majority of your customers will buy. Essentially, these are profitable products that will earn you money. But how do you find profitable products? How do you build a product database and discover product keywords that you can use to promote your products? The best way to do this is to use an Amazon product finder and research tool. Amazon’s website does not offer much information about building a product database. This is…