In the scene where the Insurance agent introduces himself and states the purpose of his visit, he states he is from "State Farm Insurance". However when Jerry cashes the check it is from "Mutual State Insurance".
A close-up of the front of the El Camino Guys driver's license shows that it is a pre-2000 Michigan license. In the next shot, the back of the license has a magnetic stripe, which is found on post-2000 licenses.
In the scene where Victor Sweet is driving to the ice hole to meet Jeremiah, the first scene, from the air, shows him in a black GM model full-size SUV, either a Tahoe or a Cadillac Escalade (appears to have Escalade wheels), but after cutting to him IN the vehicle, and then to the front of the vehicle pulling up and stopping, it is a Lincoln Navigator, around the same year model.
When Bobby and Jack are looking at the guns found at the shooter's apartment, Sofi throws a pizza box at Bobby. He ducks, and the box hits the hanging lamp causing it to swing. In the next shot, Jeremiah walks over to the table, and the lamp is completely still.
When Jeremiah is accused of having something to do with Evelyn's death, he pushes Bobby and punches Angel. Angel falls back from the punch and knocks some items off of a bookcase. In the next shot, some of the items are back in their original places.
When Lt. Green talks to the Mercers after the shootout, the two windows on the top floor of the blue house directly behind Lt. Green are closed. After Bobby talks about "burying Sweet", the camera goes back to Green, and both windows are wide open.
During the shootout at the house, the brothers run out to help Jack, then run back inside to dodge bullets. When they jump down on the floor right inside the house, Bobby brushes up against the brick wall (which is stopping all the bullets), and the whole wall shakes back and forth.