When Ellsworth and Trixie start discussing his proposing to Mrs Garret they are standing in front of a store front with a solid wooden door and a sign advertising oats and peas. In the next shot they are standing in front of a stairway between two buildings with laundry hanging behind them.
When Seth, Sol, and Ellsworth are installing the safe, its height off the floor changes throughout the scene.
(At around 13 mins) At the end of the interaction between Mrs. Ringhausen and E.B. Farnum, when the former tells the latter to "fuck off," her mouth/lips don't move at all, and there is clearly a mismatched dub.