Go to college. I am about to finish my second semester working on a double Major in Mathematics and Electrical Engineering. I am 27 and I wish I had done this when I was younger. I'd have a graduate degree and a professional engineering liscense and have an awesome job. I'm working towards that now, but it feels like such a waste all those years cleaning windows, and the next several years of working retail so I can get the schedule I need to go to college as an adult with a mortgage. Just go now, you won't regret it.