Your ds’s would be better off looking for schools where he would qualify for transfer scholarships or low cost schools.
These links are older, but you could start researching here:
http://talk.qa.collegeconfidential.com/financial-aid-scholarships/1651944-very-low-cost-oos-coa-universities-less-than-25k-coa-for-everything-p1.html
http://talk.qa.collegeconfidential.com/financial-aid-scholarships/1473219-research-universities-with-lowest-oos-tuition-p1.html