When the watch goes to Bob's house for the first time he pours Scotch for the group. Franklin is holding a empty glass and the Scotch bottle is in front if Bob, seconds later the bottle is next to Franklin and he is holding a full glass of Scotch.
When Jamarcus tells Bob that it's a good idea to go to his house for the group meeting he is reading a book but in the next scene the book is gone in Jamarcus' hands and then in the next scene after that he has the book back in his hands.
When Mrs. Kim sprays Evan in the opening scene, her car is halfway soapy in the wide shot. However, when the camera shows her face, her car is covered in soap.
Though there are scenes set at a Costco Wholesale, the lines in the parking lot are incorrect. All Costco locations use double parking lines connected by an end cap loop for each stall, whereas this shows only normal, single stripes.
After finding out about the invasion, Bob loads a pistol and Franklin says "nice 10mm Beretta." There is no such thing as a 10mm Beretta.