If you apply proven techniques in your business, they will work.
There are many opportunities for learning new customer service techniques. Numerous eager business owners, service managers and technicians participate in the training. And often it is intense training.
Sometimes the techniques require rethinking the business - maybe even revolutionary techniques and processes, compared to what we are used to doing. A lot of time and resources are invested. Possibly on-site training and consulting were necessary. The bottom-line question, the hurdle that must be overcome, is: Does it payoff?