Cereal Deals on Amazon - 4 Boxes for $5.88 shipped
Right now, Amazon has great sales going on for Kellogg's cereal. You can sweeten the deal by choosing the Subscribe & Save to lower the price additional 15% (this can be cancelled once your shipment arrives) and then enter KELRTEC2 at checkout to lower the price again another 10%.
If you've signed up for Amazon Mom you'll get free two day shipping.
A four pack of Apple Jacks are on sale for $7.84. The Subscribe & Save lowers the price to $6.66 and using the coupon code at checkout brings the final price down to $5.88.