Dollar General shoppers! Today only, hop on over here to load a new digital coupon valid for a FREE Gallon of Milk whenever you buy 3 participating Kellogg’s Cereals 9oz+ and/or Pop-Tarts 12ct. Simply click on the “Add Coupon” button found in the lower right corner and the coupon will be automatically loaded to your account. To use the digital coupon at checkout, enter the phone number associated with your DG Digital Coupons account on the keypad. Although you MUST load this coupon today, you have until Friday, September 23rd to redeem it.