I'm having a hard time imagining that from your example. For example I have several successful project cars, I've built a custom wheel balancer from an accelerometer, and am currently programming the fuel injection and spark on a car from scratch yet I don't know if a career in that would really make me any more income than my current Software Engineering manager role.
The parent comment said there would be a niche for you, not (necessarily) that it would be lucrative. You might be more valued there (in the "we're lucky we found this guy" way if not the cash way).
