Answer:
Personalized service.
Explanation:
Personalized service involves the method used to satisfy a customer needs. It involves delivering an excellent sales services to the customer in such a way that they feel connected to the company selling the product.
Delivering high quality services is very essential because it keeps the customers satisfied with the product thereby building a strong relationship with the customers.
Personalized services helps to put products at an edge above others thereby giving them a high competitive advantage in the market.