its the same as any other business,know what you want to do,what you want to get paid[] how you will you do the work. the rest is details. or as most people did ,you work for/under someone else,learn how they do business then start out on your own. you will find that the problems are sometimes NOT worth the money you will make.
This is CABL.com posting #155571. Tiny Link: cabl.co/mODn