Coupon Master

I have to admit I have only used this site once but the service was excellent and I do know of someone else who has used it with good experience. Coupon Master lets you buy the coupons you need. If you live close to grocery stores where you can take advantage of the sales, this site will be helpful. It works best when you can check the sale flyer as soon as it comes out and then order your coupons so you have them before the sale ends.