Continuity: Flipped shot: When her great uncle first appears in her house, the poodle growls and snarls. Originally, the poodle has a black fluffy left ear and an earring in the right. These switch over during the growl, and switch back again when the camera pans back.
Continuity: When Elvira's car is first shown the license plate says KICKASS later it says 2MACABRE.
Continuity: When Vincent is chasing Elvira near the end of the movie, he has a bloody hole in his forehead from Elvira's stiletto heel as he slips through the cemetery gates, but she hasn't thrown it at him yet.