adidas via eBay takes an extra 25% off a selection of its adidas men's, women's, and kids' styles. (Discount applies in cart.) Plus, these orders receive free shipping. Deal ends November 12. A couple of best bets:
adidas Men's Cloudfoam Racer TR Shoes for $29.99 (pictured, low by $17)
adidas Women's Flashback Shoes for $37.49 (low by $43)
These places give you cash or store credit for books, movies, music, magazines, phones, computers, other electronics and more.