The most important thing to consider when you want to build a online store is what you are going to sell. If you plan on selling physical products, you should check with the Better Business Bureau or the local Chamber of Commerce. For those of us who plan on selling digital products, there are several places to look. Amazon is one, as are ClickBank, JVZoo, and PayDotCom. So as you can see, there are several options for making money through an e-commerce store.