You can search for coupon codes for stores on-line. I check these sites to see if there are coupons out there everytime I shop from an online store.
247Malls.com
Bargain Central - Your online shopping supersite!
Coupons and Coupon Codes
CouponsandDeals.com - for all your favorite online stores
thecouponmom.com - The Coupon Mom helps you save. They also sort out Sunday coupons to save you time to see which coupons are available and which to use.
dealcoupon - Web coupons from A to Z
DealDude.com - Online coupons, deals, freebies and cool sites
edealfinder.com - search, browse and find coupon codes and offers that can save you a bundle
Jumpondeals.com - Online coupons, Sales & Deals!
NaughtyCodes.com - It's fun to be naughty
Wow Coupons - Your #1 source of printable coupons for well known retail stores as well as printable grocery coupons!