Before you start searching for an online college you need to determine how much time you can devote to it. Search for an online college that is more lenient with it's schedules.
Find out if the online college you are interested in is an accredited online college. Attending anything other than an accredited online college is a waste of money as your online college degree will probably not be recognized.
Look at the average class size of the online college. A small class size may mean more attention from the instructor, However a larger class size is usually indicative of a successful online college.
Do some research on various message boards on the online college you are interested in, see if there are any unhappy customers out there.
Study the online program carefully and make sure it is truly online, an online college may provide some coursework through the mail.
Make sure the accredited online college also provides tech support for any programs you may need to install.
Check out the pricing and fees, make sure everything is included especially any 'tech' fees for attending online.
Check the financial status of the online college and make sure it's been around for a while. Avoid fly-by-night operations, accredited or not.
Check to see if the online college has any financial aid programs available. Financial aid is generally available only at an accredited online college.