How to start selling online to make it more "popular" than ever

Selling online in this era P Indy said that it's not difficult. Anyone can start selling online because there are many platforms for us to choose from. But that doesn't mean that we're going to do it and bang. The easier it is, the more competitors we have. But if we prepare to start selling online better than others. It may make our online sales. Can go further than those who started with us, how should we start? Today, P Indy also brought techniques to leave each other as well.