All the vendors are happy to take cash, credit card and some will even take a personal check with ID. I usually have lots of pockets and an over the shoulder (across the body) bag. Good pair of shoes (well broken in) fashion stops at the knees. Comfortable clothes. Leave fashion at home, for me is jeans a pull over shirt and light sweatshirt type jacket for when its cold. Keep a mini umbrella in my bag and a small flashlight. I know that sounds strange, but have had power outage a couple times in a huge auditorium. It really gets dark in there then. Pull out my tiny light and I'm still shopping. grin.