First, have you found safeties with your major that you will be admitted to and be able to afford? If not, see http://automaticfulltuition.yolasite.com/ , and http://nmfscholarships.yolasite.com/ if you have National Merit status.
Second, check the net price calculator on both to see if they are affordable to you.
Third, what prevents you from applying to both and deciding later?