> Wasting four years is a huge cost.
At college I: learned calculus, computer programming, advanced mathematics, urban planning, how to communicate like a grown up, and those are just the big topics. I also took acting classes and learned social skills and made lifelong friends. When I graduated, a professor arranged my first professional job which was an order of magnitude better than any blue collar gig I had ever had. Now I have an interesting job that I feel good about, make 90k a year with benefits and a pension, and go home at 5:30 every night; this job would not be possible without college. I took out 20,000 in loans to go for the last two years after transfering from community college (with no loan for that).
So, ... what the fuck did you do at college that you are calling it a "waste"? My life is completely different because I went to college, and the same is true for everyone I know.
Now, I think there is a problem when naive, often blue collar people, go to college and don't know how to make the most of that experience: they don't know how to talk to professors so they get their help and friendship, what courses to take, how to study, how to schedule their own time and not spend it getting wasted, or how to use their degree to get professional jobs afterward. Even though I was a returning student, I grew up in a very educated professional world, and that was not hard for me.
Probably doesn't matter, but I got a BA in math from a mediocre regional state school as returning student, graduating at the age of 30 or 31 (I don't remember).