We love articles from the Motley Fool, because they’re generally quite the opposite of foolish. Yesterday, they came up with 8 things you can do to improve your credit rating — which will almost certainly also improve the interest rate you can get on your mortgage (or any other loan). Most of them are standard fare (e.g., pay all your bills on time, every time), but some of them are a little more surprising — like don’t close accounts. Hop over to the Fool for all of the details.