A member from the AdWords team has come out with some update on how to add to your business revenue. "Through printable coupons on Google Maps, you can offer customers discounts or promotions at the moment they're looking for you. Customers can print out the coupons they find on your business listing page and redeem them at your physical store location."
So if you own a local business of spa, hardware, etc. you can use the printable coupons on Google Maps to reach new customers and promote your business at no cost. Setting up a coupon is easy. Existing AdWords advertisers or any local business can create and offer coupons for free through the Local Business Center. To ensure that people reach you easily you by phone, email, or online, you need to create and update your business listing. Once your listing get verified, you can login to your Local Business center account. Moreover, you can manage and edit coupons for free.
To know more about listing business on Google Maps, see https://www.google.com/local/add/login?hl=en_US.