Your 12-year-old just made $50 selling slime at school. They're thrilled. They're already planning how to spend it. But here's the question you should be asking: "Did you actually make  $50?" If your kid spent $35 on glitter, glue, and containers, they didn't make $50. They made $15. And if they don't understand that difference, they're not running a business—they're running an expensive hobby. This is where an income statement comes in. And no, it's not too advanced for kids