Publix has Cheerios cereals 10.9 to 14.1 oz. on sale for $2 per box
Use the 50-cent coupon from the September 11th Smartsource 1 (which doubles)
Optional: Printable coupon
Pay $1 per box at the register
Use the 50-cent Checkout 51 cash back offer
Net cost: 50 cents per box
Get Deal Details on Publix Deals List