Continuity mistake: In the scene were Gilbert and his friends are in the diner and Gilbert is pouring the salt out onto the table look at how much salt is in the bottle just before the shot switches to Gilberts friends and the look at how much salt in the bottle when the shot switches back. In the first shot there is less salt than in the second shot.
Continuity mistake: In the sunset scene, Becky comments on how Gilbert missed the sunset. Then later, stock footage is used to show his house, and we see that the sunset is still going on. Not only that, but Gilbert's house consists of a single building, while this shot shows more than one building.
Continuity mistake: In the scene after the funeral, you see that Juliette Lewis gets groceries and gets a ride from Johnny Depp. They put the groceries in the back of his truck on the right side under a tarp because it's raining. When they get to her camper, the groceries are now on the left side of the truck.
Continuity mistake: In the final scene, when you first see Arnie sitting on side of the road his hair appears as it has throughout the movie (long, oily, unkempt). Then he is running down the road towards the motorcade. When he gets to Becky, his hair is cut and well groomed. Also, he appears to be wearing a different shirt. (01:54:00 - 02:00:00)
Continuity mistake: When Mrs. Carver comes to the store to tell Gilbert she is moving, he is ringing up groceries and the register reads $63.69. Right after she asks him what's to become of him, the register is at zero. In the next scene, it is back to $63.69.