Selling online is a lucrative business idea especially since online shopping is now a norm. If you decide to sell online, starting an online store on Amazon, the largest online marketplace in the world, is definitely a smart move. Almost everything can be sold on Amazon, and more people are setting up online stores there. But if your goal is to build a profitable business, then you don’t just want to sell any product. Your success on Amazon is hinged on your ability to find the most lucrative product categories and, by extension, the most in-demand products in those categories.…