Amazon has Raisin Bran Crunch Cereal, 18.2 -Ounce Boxes (Pack of 4)
priced at only $8.58 (originally $17.87). Use coupon code KELLOGG6 to save $1.72 off! Check out using Subscribe & Save to get an additional 15% off and get free shipping (cancel afterwards). That means, the total is only $5.57 total or $1.39 each!
(Thanks, sd!)