There is estimated to be 40 million acres of lawn or turf grass in the U.S., making the grass in people's backyards one of the largest crops in the U.S. and yet lawn care products are full of harmful chemicals. So Coulter Lewis decided to start a sustainable lawn care company that will help people learn how to care for their grass in a way that’s good for the planet. Sunday is a DTC that allows consumers to sign up and send in a sample of the dirt from their lawn that is used to pick out what products someone needs and tell them how much and when they need them.