He breaks down the ideal service business like this:Labor: 20%Materials: 20%Overhead: 35%Profit: 25%"Profit takes courage," he says. For Crisara, customer service begins with that very first phone call. When it comes to expanding your business, Crisara says the first step is making your solo operation consistent, efficient and profitable. "You are the prototype for the customer service experience that you're gonna train other people to do. So number one, perfect the customer experience," he says.