Something else to think about, if you have a bank you work with regularly, you could contact them or consumer credit counseling. They can advise you the best and quickest way to improve your credit.
Don't fall into the regardless of your credit scam from lenders. It is nearly impossible to get approved with a credit score less than 620.
You might find a REALTOR that you are comfortable with, let them know your situation. A good REALTOR will set you up for emails on properties in the area, knowing you are not able to buy now - but will in the future.