Why That $12 Lice Kit Ended Up Costing Us $400 Here's what nobody tells you when you're standing in the pharmacy aisle at 9 PM, staring at lice treatment boxes: that "affordable" option you just grabbed will probably fail. And when it does, you'll be back — again and again — until you finally admit defeat. We tested this the hard way. After our second grader came home scratching, we...