It’s far less expensive to maintain relationships with past customers than to develop new relationships. Your customers keep you in business, so you need to have happy customers if you expect them to come back and in your business you should always emphasize on customer service first, Social media which is a powerful tool that can bring people together, including businesses with customers, respond to reviews which are a great way for customers to give feedback, have a customer focused content, great website , reward royal customers and give your customers a voice. what else do you is a good customer service strategy ?