We are taking a DCL cruise in May. We will stay at the airport hotel, take the DCL transfer to and from port and stay one night on the end of our trip at WDW. I would prefer to not bring my almost 3yo's car seat on this trip. I will use CARES(www.kidsflysafe.com if you don't know what I'm talking about) for the plane but I wasn't sure if going without a carseat was crazy or not. Thoughts?