You can buy 2 boxes of Cheerios for 2/$6. Plus, there is a $1.oo off any two Cheerios Coupon. You will also get $2 back in Register Rewards when you buy 2 cheerios. You can pick up Cheerios for $1.50 after coupon and rewards.
Here is how:
Buy (2) Cheerios 8.9 to 12.1 oz $6
Use (1) $1/2 Cheerios Coupon
Pay $5
Receive $2 Register Rewards
$3.00 or $1.50 after coupon and Rewards