What aspect of a retailer's product line can significantly affect its overall performance?

The depth and breadth of a retailer's product line are crucial components that significantly influence overall performance. Depth refers to the number of different variations offered within a particular product category, while breadth refers to the variety of different product lines available. A well-structured product line can cater to a diverse range of customer preferences, thereby attracting a broader customer base and increasing sales opportunities.

Having a deep product line allows retailers to offer more choices, which can enhance customer satisfaction and encourage repeat purchases, as consumers feel they can find exactly what they need. Conversely, a broad product line helps ensure that the retailer can draw in different segments of the market. When a retailer strategizes effectively around the depth and breadth of their offerings, they can better position themselves against competitors, respond to market trends, and adapt to changing consumer demands.

In comparison, factors such as geographic location, selling price, and customer service do indeed play roles in a retailer's success but are often influenced by how well the product line is developed. For example, even in a prime location, a store may struggle if its product line does not resonate with the surrounding customer demographics. Similarly, competitive pricing and quality customer service can only enhance the experience if the product offerings themselves meet customer needs and expectations.