Here are some options : 1. Work on your idea fulltime to make it successful and then sell the web app. Invest the money into your real passion. 2. Do it as a

Here are some options : 1. Work on your idea fulltime to make it successful and then sell the web app. Invest the money into your real passion. 2. Do it as a part time project i.e. on weekends and an hour or two here and there. Once it becomes stable product sell it.