Ebates.com is a cash-back site that I use when doing my online shopping. I just got a postcard in the mail from them, detailing their latest promotion!
1. Sign up for Ebates here You'll get $5 just for signing up!
2. Go to Ebates.com/bonus
3. Type in promo code EBONUS
4. Make a purchase of at least $25 by clicking through the ebates page before shopping
5. Get a % of your purchase back (for example, 10% back at Old Navy) AND $10 back for entering the promo code! This means if you spent $25 at OldNavy.com, you'll get back $12.50! Now that's a sweet deal!