Hurry to Walgreens for a surprise double-dip on Kellogg’s Special K cereal! This month, Special K cereals are on sale for $3.00 each when you buy at least two. This week, the cereals are buy one get one free. That means you can score two cereals for $3.00. Buy at least one box of Special K Red Berries Cereal and use a $0.50/1 printable coupon. Pay just $1.25 per box!