Travelling with my family can be a nightmare. Because checking a bag has become so expensive, my entire family frequently travels with carry-on items only. This is easy for my son and husband, who would wear the same clothes for an entire week if I’d let them. However, for my daughter, it’s a different story. She refuses to go anywhere without her arsenal of makeup, shampoo, lotion and I don’t even know what else. Every time we pack, she is put into a panic, desperately trying to fit all of her necessary items into a Ziploc bag. Whenever I bring…