OK, you're going to need a flashlight, some old clothing and ... a refrigerator magnet. No, you're not filling in on MacGyver's day off; you're conducting a pre-test-drive inspection of the used car you're considering buying. You'll want to get down and dirty checking it over, under, around and through for things like mechanical problems, doors that don't shut right, unevenly worn tire tread and rust. A thorough check could save you time and money. Follow the link below for tips on how to conduct your own inspection — and to find out what the heck that fridge magnet is for.