If you haven't set up a Power of Attorney for your child over 18, you could find yourself completely locked out when they need you most — even in a medical emergency. Graduation parties. Dorm shopping. Tuition bills. When your child turns 18 or heads off to college, there's no shortage of things on your mind. But there's one critical step most families overlook entirely — and it has nothing to do with packing lists or meal plans. The moment your child turns 18, they are a leg