The reason that college aid is often hard to get house to do with your financial background. If you come from a family that has money, even though you have filled out the FAFSA, you are automatically eliminated from most grants provided by the federal government.
To get access to free sources of federal, state, or private funds, you should talk to your financial aid counselor regarding scholarships that may be available in your area.
If you have some special ability in sports or you are academically advanced, you may qualify for several different scholarships which will not affect any other federal aid if it comes your way.