I agree.You need to be very careful. FYI The cost of a one day admission for a single park is 75.00 add a park hopper for 50.00 that would allow you to hop between all the parks ( just about impossible in a single day.) Get on the Disney web site and look for package specials. Things are slow at Disney and there are some really good deals to be had. Note it will still not be cheap....
www.disneyworld.com