At the final standoff, one of the deputies is in front of the police car, then in back of it and again in front of it.
Nash's former home could not have been resold without Nash having an opportunity to bid upon it. Considering that it was the quod facere for Nash's actions, that he wouldn't have been checking this daily or even weekly seems exceptionally unlikely.
Dennis Nash receives a call from Rick Carver that he wants him to hand the forged document to the court. Dennis takes his time before picking up the phone, and the viewer hears the ringtone and the vibrate sound while the close-up on the iPhone reveals it's on silent mode,
A photograph of Rick Carver on an article in the movie is actually an unoriginal picture of Michael Shannon when he was at TIFF back in 2012.
When Rick Carver and the Sheriffs dept go to Nash's home to evict him, the sheriffs say "good morning" twice and Carver says "good afternoon twice". The son, Connor shows up coming home from school which would clarify it would be afternoon.
In the first scene Mr. Carver is wearing his watch upside down. After he walks out, you can see that it is right side up.
Dennis Nash receives a call from Rick Carver that he wants him to hand the forged document to the court. Dennis takes his time before picking up the phone, and as the shot goes from the phone back to Dennis, the envelope containing the document that it is sitting on keeps flipping up and down.
Although the film is set in 2010, a billboard can be seen for Ray Donovan (2013), which did not premiere until 2013.
Locals call it "Maitland Boulevard" rather than state route 414 or 414.
Simple admissions of guilt someone in a stressful situation is not going to cause the police to immediately arrest you. Nash was facing an armed man who clearly wasn't bent upon self injury or perhaps harming others. Even if he "admitted" his alleged guilt in a criminal matter, the police would have required more evidence (such as the event had actual occurred) before they could arrest him.