When Marty confronts Caroline near the end, he pulls out and pumps a shotgun that he didn't have before. In the next shot, the shotgun is gone and he never uses it again.
When Jonathon and Victoria are talking in the bedroom, a crew member can be seen in the lower right corner, sitting down in front of the closet.
Boom mic is visible for an extended amount of time at top of frame when Victoria and Zerelda are talking with Victoria on a bed in one of Zerelda's bedrooms.
Boom mic is visible for an extended amount of time at top of frame when Victoria and Zerelda are talking at breakfast at Zerelda's house, with the mic moving back and forth between them.