That's definitely a good point. If you're in a low bracket and aren't able to get a full ride or good scholarship (doesn't mean you're bad or didn't work hard enough, but only a small % of people can get those), you're definitely going to be wondering if you can go to college at all. And if you barely afford to, there's all kinds of external costs associated with college (books, for example). Sometimes scholarships only cover tuition.
At least back home in Texas though, you can go to cheap community college and transfer to UT Austin or another UT campus. Two years is definitely better than four.