Karen wraps police tape around the gas pumps after the discovery of the bee hive. In the next shot from inside the gas station the pumps can be seen through the windows and the police tape is gone.
When Brent decides to order the chicken, the clock on the wall behind Lacey shows 11:56. Later when Brent gets his food, the clock still shows 11:56.
When Brent orders the pasta, the clock on the wall behind Lacey shows 12:30. When he finishes his meal two scenes later, the clock on the wall still shows 12:30.
Davis bought his R2D2 on eBay with a starting price of $60, but admitted to paying $700 (and later $3500). Since he was the only bidder, the $3500 was a proxy bid, and would have actually sold for the $60 starting bid.