I am a nervous wreck! My DS12 may have to have surgery on both feet, and should in be in pretty good shape for our trip, but I am preparing for the worst, should it happen. Is there anywhere to rent wheelchairs at DL? Or will I need to bring his? Can I check it as luggage at the airport? How are the crowds with kids in wheelchairs? Is he going to be super frustrated? How does he progress through the lines for the rides? I have so much to consider now....