At the police station, after Gus said he stole the book of bylaws, Shawn looks through the book and Gus then rips it out of his hands. When the shot changes, Shawn is still holding it and Gus takes it from him again.
Before Shawn does his TV interview, the makeup artist is using a rounded pink sponge on his face, but after the camera angle changes, she is using a triangular white sponge. She did not have time to pick up a different sponge.
When Woody calls Shawn to congratulate him on his candidacy, you can still see the phone home screen (even though the phone is being held to his ear). When you make a phone call on an iPhone, the screen goes black.
Gus states that Gavin Channing has received money from his ex-wife, Renee. However, they weren't divorced.
As the show is set in Santa Barbara, California the bank statement for the plumber shows a deposit in the form of a "cheque". Banks in the US don't use that spelling nor is it a part of American English. It should have said "check".
Mike Plummer's bank statement lists several "cheque deposits." A U.S. bank would spell it "check." (The series films in Canada, but is set in California.)