eBay is offering an Extra 30% Off Select Styles. Prices are reflected in-cart. Shipping is free on all orders. Some of the favorites with prices after in-cart discount:
Amazon has the Skadino SKD233 Wood Unisex Polarized Sunglasses (several colors) for $40 - $20 off with coupon CVMIGPQG = $20 with free shipping. Features 100% natural bamboo wood.
Banana Republic is offering an Extra 50% Off Its Men's And Women's Clearance Items with coupon CLEARANCE. Shipping option is $7 or get free shipping on $50+.
Nike is offering an Extra 25% Off Select Men's, Women's, And Kids' Sale Styles with coupon SAVE25. Shipping is free for Nike+ members (free to join).