$1.00/6 Hamburger Helper at Rainbow

This doesn't include any kind of doubling.  Doubling the coupons would make the items free.

Hamburger Helpers Home-Cooked Skillet Meals between 9/6 - 10/3 and save up to $3.00 on your next Hamburger, Chicken, or Tuna purchase.
Buy (3) & Get $1.50
Buy (4) & Get $2.00
Buy (5) or more & Get $3.00

 

*Hamburger, Tuna or Chicken Helper $1.00 (reg price $2.00)
Use .75/3 coupon from 8/8 GM, Coupons.com,  Pillsbury.com
Use $1.00/3 coupon from  BettyCrocker.com , BoxTop4Education.com
Final price if doubled: as low as .33 each

Buy 6 = $6.00
Use TWO $1.00/3 coupon = $4.00 OOP
Receive $3.00 Catalina = Pay $1.00 for 6 after all coupons and receiving catalina