I’m a full time college student, chemistry major, have a girlfriend, do chemistry research, and about to take the MCAT in a month… so I can say it is still possible to be a full time college student and find time to train.
If it’s about money for a gym, you’ve got some great suggestions up there. Getting a job in construction or at the local Home Depot or Lowe’s garden department should have you picking and hauling random stuff… basically doing deadlift type stuff all day. Plus you’ll get money to buy good. If you think you don’t have time to get a job, realize that you need the money and it’ll just help you structure your time more wisely. Getting a job at a local gym or at the Y would be golden.
If that doesn’t work, find some friends who have a bench. My brother is at a med school in the Caribbean and he and some friends are pitching in to buy a cheap ass bench, so it’s still possible to train no matter where you are. Maybe, like him, you can pitch in and buy something cheap. You won’t be able to fit in a bench in your dorm, but you can fit in an adjustable dumbbell set or an adjustable EZ-curl bar (roll it under your bed).
Find one off craigslist - craigslist | pennsylvania - or newspaper classifieds. I got an adjustable dumbbell set from Wal-Mart as a kid for under $40, but the weight only went up to 35lbs per dumbbell. If you don’t have enough money for that, split it with your roommate. Tell his fat ass to get in shape.
For food, whey is cheap as hell. What is it, a quarter a serving? Less? Take whey with oil to get lots of calories. Tuna and eggs are cheap too. My roommate is a beast and he bulked–without putting much fat–on the cheapest foods: oats, whey, peanut butter, and occasionally cheap chicken thighs that he bought on sale (these were a luxury to him). Buy the cheapest cuts of meat and buy your milk on sale.
If you have gal friends, go out to eat with them. I went by on $20 for over a month freshman year because I would go out to eat with gals. They can never finish their food so I would end up eating a lot for very little money (I would still buy something cheap to make it look like I was eating). Once again, like my roommate’s diet, it’s probably not optimal but it’ll get the job done.
Show the people on this board that you want it bad enough and use of these solutions. I can’t think of any reason all the solutions are infeasible.