Continuity mistake: At the pool, Dosmo's grip on his gun repeatedly changes from one to two handed between shots.
Revealing mistake: When the blond lady dies, she is seen in a body bag. Look at her nostrils as they widen, revealing that she is not quite dead.
Continuity mistake: After the Good Samaritan pockets Allan's wallet and drives him away, and the owner of the car he's stolen runs out, Allan's wallet is seen lying on the street.
Continuity mistake: Dosmo is at the pool holding Mark the dog off at gun point. He is holding the gun with both hands. Right after he says "the man is coming to finish the job he botched", there is a shot of him holding the gun in one hand and the keys in the other, but Susan hasn't given him the keys yet.