Best Buy offers a selection of Blu-ray movies, with prices starting at $7.99. Add any three to your cart and the price drops to $20. Opt for in-store pickup to avoid the $5.99 shipping fee. (Alternatively, orders of $35 or more receive free shipping.) That's a savings of at least $5. Choose from titles like Ghostbusters 1 & 2, Labyrinth, Sausage Party, Whiplash, The Mechanic, and Total Recall.