When Liv is confronting Ricky in his hotel room, standing outside his bathroom door, the camera shows Liv from behind with only a small strand of hair down her back. In a subsequent cut to this angle, there is a large chunk of hair flowing down her back.
Right before Billy's (ex) girlfriend leaves the bar, Suzy's beer is almost full. She takes the beer with her when she moves to Billy's other side. She never takes a drink from the beer but it is empty when she leaves the bar. All of this takes place in about 2 minutes.
When Ricky Dean starts eating his sandwich, he takes a bite out of the center of the sandwich. In the next shot, the sandwich has been eaten away from the corner.
When Suzi Loomis wins the contest, she is holding the prize before the emcee gives it to her, then in the next shot, she is being handed the money by the emcee.
Towards the end of the movie, when Todd Woods and his wife are sitting on the empty stage, she brings him coffee. One minute the coffee and cigarettes are in his hand and in the next shot, just the cigarettes are there. He never set down the coffee.
(at around 16 mins) Todd Woods says that "Shell Island Sea Turtles" are the "oldest living amphibians in North America." Turtles are reptiles, not amphibians.