Buy Any 4, Save $4 Mix & Match Sale on cereals and granola bars. Many more cereals are participating; just check your shelf tags to be sure they're part of the sale, and buy in quantities of 4:
$1.00 after promo: Life Cereal, Cap'n Crunch, Corn Flakes;
$1.50 after promo: Cheerios, Froot Loops, Kellogg's Raisin Bran, Quaker Chewy Granola Bars or Fiber One Bars. Print a $1.50/2 Raisin Bran or Mini Wheats coupon, a .55 off Cheerios (which will double at most stores);
$2.00 after promo: Kashi Go Lean, Kellogg's Mini Wheats, Honey Bunches of Oats, and Kashi TLC Bars. There's a printable $1.50/2 Mini Wheats coupon.
*There's also a Catalina promo running through Friday, May 14th: When you buy 3 Kellogg's Cereals, you get $2.00; buy 4, get $3.00; and buy 5, get $4.00. That makes many of the cereals FREE when you combine the sale price with coupons and the Catalina -- like 4 of the Kellogg's Raisin Bran with two of the $1.50/2 printable coupons. There are more printable Kellogg's coupons available.