When he leaves the bar to go to the crypt downstairs, he forgets the free record, but in the next scene at the table downstairs, he has the record.
Sam playing the guitar bare footed at first. When frame changes he is wearing socks.
When the actress Riki Lindhome first visits Sam, bringing sushi, he is wearing only socks on his feet. The next scene, he shows up with his sneakers.
When Sam drinks the tea, we see it to the right of him when the camera faces him. But, in the cut to the next shot behind him, he picks up the tea from his left.
In a scene Riki Lindhome's character mentions celebrities that have passed away: Johnny Carson, Elizabeth Taylor, and Dick Clark. However, the film takes place in the summer of 2011, whereas Dick Clarke passed away in 2012.