Amazon discounts a selection of Blu-ray movies to $5. Plus, Prime members bag free shipping on all orders. (Some discounts are only available with Prime. Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping starts around $5.) Discounted titles include Shutter Island, Road to Perdition, Pet Semetary, Mad Max 2: The Road Warrior, The Expendables, and William Shakespeare's Romeo + Juliet.