Dulcolax, Free at Dollar General

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Get a free box of Dulcolax when you use a digital coupon at Dollar General. Download the DG app to clip the coupon. Buy one box, then type in your phone number at checkout to apply the coupon to the transaction. The digital coupon has a limit of one per account. The coupon value is more than the price of the product, so you’ll get overage. Dollar General doesn’t give cash back, so be sure to buy a filler item to absorb the overage amount.