Sammy, you've asked an important question, but one that's almost impossible to answer because it depends on so many factors. It's similar to asking how expensive a car or a house will be and the truth is that it completely depends on what options you think are critical. Obviously an Ivy League school is very expensive because of the excellence of the instruction and reputation of the school, but there are many other schools where you can get an excellent education at a much lower cost. What's important, however, is that you'll probably be able to find a college within your available budget and I'm convinced that completing a college degree is worth every penny in tuition and fees you'll pay.
Dwight makes a good point " completing a college degree is worth every penny in tuition and fees you'll pay." There are several types of financial aid available to you if you decide to pursue a college degree -check out federal student loans for college or career school.