Final answer:
The customer's explicit wish not to receive additional sales pitches should be respected to avoid losing the sale and damaging the relationship. Tying sales, which force customers to buy an unwanted second product, should be avoided to maintain customer trust and satisfaction.
Step-by-step explanation:
When faced with a customer who only wants to make a single purchase and is averse to further sales pitches, it is crucial to respect their wishes. In the context of tying sales, which is when a customer is only allowed to buy one product if they also purchase another, the customer's stance becomes even more pertinent. Tying sales are considered controversial because they can compel customers to acquire an unwanted or unnecessary product. For example, requiring a customer to buy a portable TV model in order to purchase a popular DVD when these items are only loosely related and there is no intrinsic necessity to link their sale.
Bearing that in mind, it is vital to prioritize the customer's desire over the company's sales strategy in such a scenario. Doing otherwise could result in losing the sale entirely and damaging the customer relationship. Instead, it is better to secure the initial sale, provide excellent service, and trust that a satisfied customer may return in the future without the need for aggressive sales techniques.