After-sales service, sometimes called after-sales support, is any service provided after a customer has purchased a product. Typically, examples of after-sales service include support regarding warranty service, training, or repair and upgrades.
Deliver what you promise
Don’t be too busy for your customers and don’t make it difficult for them to do business with you
Avoid being defensive or upset when a customer brings you a concern or complaint
Be interested, People like doing business with people who appreciate their business
Think ahead of the customer with a problem-solving attitude; Be part of the solution not the problem
Generate repeat and referral business