We are coming to Orlando on April 22- 27. I am going to buy our tickets before we go. This board has been extremely helpful but I quite don't understand about the flex ticket. If I buy the 4 park ticket and only use it for 4 days , will the remainder of the ticket expire, or will we be able to use it again if we come down some other time, say in the fall? Also, which will be the cheaper price, the 3 day pass or the flex ticket? We don't necessarily want the water park ticket,but we are going to Sea World. There will be 5 of us, so we will need to buy 5 adult tickets. Thanks for your help. I love this board!