Get a $5 Publix gift card wyb 5 Kellogg's, Keebler, Sunshine and/or Eggo products (4oz or larger, any flavor, mix or match, excludes single serve). Go HERE to print the rebate form.
Go HERE to print 3 new coupons to go along with this rebate...
$0.75 off Kellogg's Cinnabon cereal
$0.75 off Kellogg's Fiber Plus cereal
$0.75 off Kellogg's Corn Flakes
I'm thinking these cereals go for $1.99, so you should be able to score some near FREE cereal after the rebate. You will need multiple computers to print additional coupons if you only want one type of cereal.