Heinz Mustard is $1.75 at Dollar General. Use a $0.75/1 Heinz coupon with a $1.00/1 Checkout 51 offer to score a bottle of mustard for free!

Use one $0.75/1 Heinz Mustard (coupons.com)

And submit $1.00/1 Heinz Yellow Mustard, 8 oz or larger, via rebate app (checkout51.com)

Pay $1.00, Submit for $1.00 Checkout 51 Credit

Final Price: Free