Factual error: There is a modern digital electric meter in the record store - not what it would look like in the era of the movie.
Continuity mistake: The protagonist is at the lunch table with his auntie, and is trying to get her to fund his 'enterpreneurial' efforts. After the prayer, she asks him "You want some hot sauce?" Eddie Murphy goes from having his hands joined to having them on his hips. (00:20:25)