Final answer:
Best Buy uses customer services like delivery and installation, financing, and repairs to differentiate its products, which are intangible aspects that add value to the physical product offerings.
Step-by-step explanation:
Best Buy differentiates its product offerings from its competition through what are known as intangible aspects of its products. These include services which add value to the core product, such as delivery and installation, financing arrangements, and repairs. This type of differentiation falls under the category of customer services, which are non-physical benefits provided to complement the physical product.