Some of us manage to pay for college, rent, car, and afford "supplements." My MRP habbit alone is starting to cost me $200+ per month. It's possible, and easy, if you watch your budget.
As far as the guys saying they can't find sources, it's really not too hard. Most of the mods on the Anabolics board are willing to give you reliable foreign sources. After a while, you might even get a good domestic or two.