I have been using couponsense.com It's a lot like the grocery game, but their lists are on time!

Try it out. And with them, you don't clip coupons until you need them-which is super nice. But yes it takes a while of saving coupons. Through couponsense you can get subscriptions to the paper relatively cheap.
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Momma to 3 wild boys!
In the backpack: Canon 50D, Canon 50mm 1.8, Tamron 28-75 2.8, Canon 70-200 1.4
In the den: PSE 5.0 and ACDSee (but it's been in the box for a year now, guess I should get it out)