Download the DG app. Sign up with your phone number and add coupons to your account. When you check out in store there is a dg coupon button on the pinpad screen. Click the button and put your phone number in.
Yes but no, DG coupons are one use. However if you have multiple phones like family you can do several transactions. Most of us have no problems helping yall if thats yalls goal do long as you're polite.