The document discusses the importance of building and maintaining relationships with customers and contacts over time through a customer relationship management (CRM) system. It provides four ways to grow a CRM database: 1) inventory personal and professional networks, 2) build client loyalty through events, 3) introduce yourself to other businesses for referrals, and 4) reconnect with long-lost contacts. Regular communication and focusing on the customer are keys to creating a "barrier to exit" and increasing lifetime value through repeat business and referrals.