When Emma is mopping the floor and talking to Amy, Emma places the mop into the bucket and the entire mop head is inside the bucket. When the camera angle changes, suddenly half the mop head is hanging over the side of the bucket.
When Amy and Emma are folding shirts, the shirt is in a different configuration in every shot.
Scott, the construction worker, asks to borrow Mateo's badge to access the employee bathroom. The employee bathrooms have never required a badge to access before or since, nor are they located in an area that requires a badge. The door to the employees-only area of the store has no locking mechanism, nor do the bathrooms. The photo-ID style badge that Mateo hands Scott has also never been seen before or since.
Glenn never laid off the six employees he had to because of budget issues and somehow they were able to afford two new employees.