Here is a great deal that you can score on cereal without even leaving your home and NO coupons are needed!
Amazon has Apple Jacks Cereal, 12.2-Ounce Boxes (Pack of 3) for only $5.51 Shipped with Subscribe & Save. (Don't worry, there is no hassle or commitment with this feature and you can cancel as soon as your package arrives. I do it all the time!)
(thanks, Couponers United!)