Errores

Sara's knee miraculously healed by the time she jumped in the pool.

When Jim is talking to his boss on his cell phone, he looks down from the balcony. You can tell that their room is on a high floor. But when the family leaves the room and goes to the elevator it has a number 2 near the elevator door, indicating the scene was filmed in the 2nd floor hallway.

While the film is supposed to be set entirely in Walt Disney World, some scenes in the movie were clearly shot at Disneyland. Experts of the parks would easily notice this.