If you no zero programming skills, get a friend who knows at least some to help you supervise and make sure you don’t get ripped off completely.
Your role: selling. Know that developing a product only gets you in the game. The hard battle is to convince others to buy it. By this, don’t worry too much about afreelancer programmer say inBangladesh you hired stealing your product because chances are they do not have the wherewithal to market it. People are smarter than you think.