Final answer:
A tying sales strategy is a business tactic that requires customers to buy one product in order to purchase another. It is used to increase sales of less popular products or create customer loyalty.
Step-by-step explanation:
A business tactic that emphasizes lone, "point of sale" trades is known as a tying sales strategy. In tying sales, a customer is allowed to buy one product only if they also buy another product. This strategy is often used to increase sales of a less popular product by bundling it with a more popular one, or to create customer loyalty by offering exclusive deals.