Continuity mistake: Mr. Andrews cuts the cards with his left hand. Later, when you see the replay of this action, where you can also see how he is switching the decks, he cuts the deck with his right hand.
Continuity mistake: When Tiffany makes a phone call with her mobile, she holds the phone with the right hand and the paper with the phone number in the left. After dialing there is a cut to her head. There you can see her using the left hand to take the phone to the left ear.