Okay, I'm still trying to budget or at least figure out how much money to take with us--can anyone tell me the approx. cost of t-shirt, sweatshirts in the parks. Also, I keep hearing about the glow in the dark things that all of the kids will want, how much are they? what are they? can you buy them anyplace else beforehand? Thanks!

and keep in mind what they saw. At the end of the day let them pick the one thing they really want and buy that. Give yourself time incase where they saw it wasn't on Main Street. When your child is getting close to their budget let them know so they carefully consider if it is something they really want
. If there is something they really want from the get go, like a princess dress, then make that the major purchase and make sure to put that into their budget before you tell them how much they have left. Option 2 is they get X dollars per day. Once they have spent their money that's it
. This of course could be hard if your child is very young, but you at least know what you want to spend and can decide if it's an expense you really want to incure.