Character mistake: Frank calls a box wrench a ratchet wrench when he's working on the car with Adele's son. (00:28:28)
Suggested correction: It looks like a ratchet wrench and Frank could have called it a socket wrench and still been correct - the terms are used synonymously. While I'm no expert on wrenches, my dad had all types of tools and I knew the different types of wrenches, saws, hammers, screwdrivers, etc. before I was a teenager. "Box-end" wrench refers to the shape of the wrench (box or ring), distinguished from "open-end." So, a ratchet wrench has the box-end shape and Frank correctly identified the ratchet wrench.
Factual error: Towards the end of the movie, when the escaped convict gets captured, there is a new style California license plate on the rear of one of the police cars. This film takes place in New Hampshire in the 1980s.
Continuity mistake: The distance the newspaper on the table is from Henry varies. In front views of Frank, the newspaper is closer to his cup of coffee and him. In views of Henry, the newspaper is close to his plate of food. The angle of the newspaper also varies. (00:25:53 - 00:26:53)
Continuity mistake: A vehicle (or the camera) is driven toward the setting sun and the sun falls below a higher elevation, but the vehicle continues driving in the sun, even when another higher elevation is approached. (00:01:40 - 00:02:15)
Character mistake: No bank would spread out the money on the counter during a withdrawal, especially if it were a significant withdrawal and closing of the account, as when Adele tries to get money for their leaving to Canada.
Revealing mistake: Toward the beginning of the movie when they go to Pricemart, you can see Benny's written across the back wall in neon red letters. Benny's was the real store where the scene was filmed. (00:07:20)
