Don't have a Wherehouse anywhere even remotely close to me, but somehow I got an e-mail with a coupon from them for in-store trades:
http://www.wherehouse.com/twcontent/wh/images/2ExtraCoupon.jpg
From the coupon:
http://www.wherehouse.com/twcontent/wh/images/2ExtraCoupon.jpg
From the coupon:
Get $2 extra on any one used cd, dvd or game on your next trade-in!
Coupon valid only at Wherehouse stores, not valid on wherehouse.com. Valid only for one item per visit per day percustomer. Not valid in combination with any other offer. Coupon expires 5/31/06. Valid only for trade-in or cash - no splitting of items. Items must be in saleable condition with all inserts, paperwork, and instructions intact - Wherehouse management reserves the right to reject any trade-in. Coupon alone has no cash value. Coupon code: WHOUSE2006.