Why you have to meet or exceed customer expectation?

It means that when you are doing something for a customer, a customer only expects so much out of the employee, but you exceed there expectations. Usually you can exceed an customers expectations in a positive way, but there is also times when you exceed customers expectations in a bad way. By treating the customers in a disrespectful way. A customer doesn't expect that, they expect you to treat them good. When you do something nice for a customer: like help them out to the car your exceed their expectations. They aren't expecting that, they're expecting you to just do your job description as given. To meet the expectations your not going lower than what they expect, but no higher.