A helpful tip for those going to WDW by plane, Garden Grocer is your money saving best friend.
WWW.gardengrocer.com is the website. It'a a grocery delivery service that offers a huge selection of items and they deliver to your hotel for you. We use them every year. We get cases of water delivered then use the freezer in the mini fridge to freeze them and we bring them in the parks w us. We use an ice chest backpack every year. Saves $!! plus, you can order refrigerated snacks and stuff you can't pack. It's only a 40 min to place an order. In Disney, $40 buys you about 10 waters :)