If you are sending your kids off to college this fall, you might be wondering about insurance. Specifically, insuring all that stuff you bought for your college-bound kid: computer, books, bikes and, in some cases, furniture. The National Retail Federation (NRF) estimates that the average family will spend roughly $900/college student -- on back-to-school supplies alone. If your child is going to live in a dorm, add $126 to that number for furnishings, the NRF says. For a full breakdown of b...