I'd suggest getting a job in the biz (if you aren't already in it), networking, have some fun, and let life take care of itself. The best cheap ideas come from

I'd suggest getting a job in the biz (if you aren't already in it), networking, have some fun, and let life take care of itself. The best cheap ideas come from an insider who tries to solve a niche problem for a group that they have intimate knowledge of. Go be a consultant for someone and figure out how to make their life better. "Confusion creates opportunity" so I'd suggest, after a few years of working for someone else, to find something to streamline or make easier for that niche. Lastly, bootstrap it by doing it in your spare time for 2-3 years until you build it up enough to support you.