This is a unique coupon!
This purchase MUST be made at Walmart to receive the rebate.
So here is how the deal will go:
Buy (4) Boxes of Hamburger Helper, $6.00
Buy Ground Beef $6.92
Use $.80 off FOUR BOXES any flavor Hamburger Helper 
Pay Out of Pocket: $12.12
Submit Rebate for $6.92
Final Price: $5.20 for four boxes and ground beef!