Your FICO Credit Score (median score between the Equifax, Transunion, and Experian scores) takes into account your past and present borrowing history including magnitude, payment history, and any public records such as a personal bankruptcy. The higher your credit score, the less risk you pose to your lender, and the less your cost of borrowing will be.
Ultimately, you should take care of your credit score so that your cost of borrowing will be as low as possible given the amount of assets you own and income you make. However, if you have plenty of cash, you can just buy anything you want with "straight cash homey." After all, that's how Randy Moss rolls:
