The document discusses the importance of good customer service. It states that customer service includes all interactions between customers and a company at the time of sale and afterwards. Good customer service increases purchases and referrals, builds a positive reputation, and reduces complaints. It benefits both customers, by meeting their needs, and businesses, through repeat customers. The document provides tips for understanding customers, increasing sales through existing relationships, gathering feedback, building loyalty programs, and handling complaints to increase loyalty. Overall, it emphasizes that satisfied customers will contribute to a business for years through continued purchases, recommendations, and referrals.