When I first built my digital business four years ago, I made so many mistakes that it was doomed. There are so many things I wish I could have done differently, so now, with my second attempt at digital business, I realized these: 1. Your friends are not your customers: You don’t want to chase down friends or family who are not interested in what you are selling. It would be way better for you to identify your target customer from the beginning. 2. Asking for support from friends and…