You must do your due diligence in plenty of research on foreclosure homes for sale before you go out and secure a loan and make a purchase. The research will ensure that you make a good decision and you do not purchase something that you will regret later. Investors need to research foreclosure homes for sale because they need to make an investment. They need to be sure the home doesn’t require thousands of dollars of repairs that will cause the investment to be much higher than market value and be impossible to sell the home at a price that would make a profit.