Reading Time: 2 minutes “Paper money!” The wrapping paper ripping and squeals of delight over new toys came to a halt win the treasured $20 bill was pulled from a gift bag. “Mommy, it’s paper money,” the girls kept screaming. To a 5-year-old and soon-to-be 4-year-old, they’d just hit the jackpot. What Can $20 Buy? For me, $20 on …