Through 9/13, get up to 50% off select items at ThinkGeek. Shipping adds $6.95, or is free when you spend $75. The pictured Star Trek Uniform Hoodie, which comes in three colors, drops from $59.99 to $29.99. Even when you factor in shipping, this is the best price available online by $21. Other great bets are the Star Wars Death Star Shower Curtain, which drops from $19.99 to $9.99, a savings of 50%. It includes a shower curtain and 12 hooks. Also check out the Game of Thrones Cookie Cutters, which drop from $14.99 to $9.99. There is no sales tax (except VA, OH, and FL).