Combine a new coupon with an Ibotta rebate offer to pick up Dulcolax for under $1 in stores at Target. If you don’t have access to a printer, you can find the same coupon located in the Jan. 10 SmartSource newspaper insert. Did you know that some rebate offers can be redeemed multiple times? This particular offer has a limit of three. Download the Ibotta app if you haven’t already to access this deal.