 It's still summer, but it won't be long before we'll be thinking about the coming school year. Some of you early birds may have already done your back-to-school shopping. For the rest of us, Allison Kosick has some expert tips to help you save money this school year. Back-to-school shopping can be expensive, especially if you have more than one child. Experts say the first thing to do before you shop is to take inventory.