Continuity: Ratso limps on both legs (not at the same time, obviously).
Crew or equipment visible: Ceilingless set and lighting equipment can be briefly seen in several shots in Cass' bedroom.
Errors in geography: As the bus Joe Buck rides approaches New York, the view focuses on the Statue of Liberty. However this shot is from the New Jersey Turnpike's Holland Tunnel-Newark Bay Extension (Interchange 14C) going southbound, away from New York. Minutes later in the same scene, the view from the bus shows the Midtown Manhattan skyline as it enters the Lincoln Tunnel.
Errors in geography: After Joe Buck's encounter with Towny, he and Ratso board the bus to Miami. But the bus then enters the south tube of the Lincoln Tunnel, which only carries eastbound traffic into New York.
Revealing mistakes: When Joe Buck is sitting on the porch, dressed in a military suit, talking about his grandmother's death, he spits backwards.