When is the best time to set a person's consumer habits? When they have moved to a new city! This is why WelcomeMat targets recently-uprooted families with their coupons and promotions. Their service helps people find new hairdressers, dog sitters, pizza places, nail salons, car repair shops, and more. WelcomeMat CEO Brian Mattingly stops by the NYSE to break down their snail-mail model.