Walgreens has select GM cereal on sale for $1.99 this week, through Saturday. Print your coupons here, for $1/1 and get a box of cereal for $.99!
Publix will be having general mills cereal BOGO (buy one get one) this coming week, beginning on Thursday, Dec. 17th. If you go here you can get a $1/1 off coupon. Print 2, because Publix will let you use 2 coupons on BOGO specials!
Should make 2 boxes of cereal around $1.50 each, depending on the price in your area.