When you buy 3 boxes of selected Post cereals at CVS, you will get a $5 Extra Bucks reward.
Sale price $3.33 per box, cost of 3 boxes = $10 before savings
Less $2 printable coupon (good on Grape Nuts, Shredded Wheat, Raisin Bran) =$8 out of pocket
$5 Extra Bucks received=$3 net cost for 3 boxes, or $1 per box if you get at least 1 variety included in coupon