In the planning scene at Bob's house, the gun keeps changing positions on the table between shots.
After their car breaks down, the sky shifts from a mid-day appearance to sunset (or sunrise) during Dignan's confrontation with Anthony, from one shot to the next.
When Bob Maplethorpe and Dignan come back to the motel room to find a party in progress, one of the maids who is sitting on the bed with Rocky and Inez is wearing a party hat that disappears and reappears between shots without her taking it off.
When Bob is being beaten up, the lemonade disappears from Anthony's hand between shots.
During the Hinckley Cold Storage robbery, Anthony gets up from sitting on some stairs. When he first gets up his jumpsuit is dirty, but when he is shown checking on the elevator it is clean again.
After the bookstore robbery, the boys are conversing at the house and police lights can be seen flashing among the trees behind Owen Wilson. This was meant to lead into a scene that was deleted about the police being called to the neighborhood for an unrelated call, during which they end up discovering Bob's marijuana crop.
When "Applejack" and Dignan pick up Anthony in the Green Monte Carlo, they leave without the dog.