This document discusses good and bad customer service. It provides statistics showing dissatisfied customers will tell others about poor experiences and it is more costly to attract new customers than retain existing ones. Up to 93% of dissatisfied customers will not return if they have a choice. The document then discusses how to handle difficult customers like angry, indecisive or suspicious customers. It emphasizes treating customers with respect, listening to understand problems, remaining calm and proposing solutions. Good customer service improves profits while poor service can lose 10-30% of customers annually. The document stresses training employees in communication, product knowledge and problem solving to provide excellent customer experiences.