Delight your PSA - this is one of the smartest marketing investments you can make. By delighting your PSA customers, they become a superb source of new, high quality business. When someone receives an exceptional level of service from you, they tell people. They spread the word about your business. Additionally, you will find that you retain your existing PSA. This is really important. Otherwise, developing your business is like filling a bucket, which has a hole in it.