I dropped out of college for the same reasons -- zero faith that "sticking it out" would result in any kind of discernable payoff. I had reached the point of diminishing returns, as it were.
I don't regret dropping out, but I was never interested in a career field that required a certification from the state (like medicine).
I second the suggestion of nursing, if you're interested in medicine. Schooling required is minimal, and you could live anywhere you wanted to and probably still be able to find a job. Another option is to become a paramedic; yet another option is radiology, which offers various levels of certification requiring various levels of schooling.
Good luck to you. I sympathize with your predicament. The future's a veritable black hole these days.