[spoilers] At the end, when Ray is getting ready to sit in the beach chair with attached umbrella, the colored panels on the umbrella are different between shots.
Peggy pins Ray to the ground with the overturned card table from which he and Ally were selling Girl Scout Cookies and two of the table legs presumably bend outwards, damaging it, but in the close-ups we can clearly see the legs are on hinges so the actors could more easily rehearse the scene.