Why Retailers Sell Almost Everything: The Economics of One-Stop Shopping

Why would one retailer sell groceries, clothing, electronics, pharmacy products, household goods, furniture, pet supplies, and even services under one roof? The answer reveals one of the most powerful business models in modern retail: one-stop shopping. In this episode of *Business Uncovered: How Business Really Works*, Marcus Bennett explores the business economics behind retailers that sell almost everything and why combining hundreds or thousands of products can make economic sense. Instead of looking at each product as a separate business, we examine how retailers use shared buildings, employees, technology, parking, customer traffic, supply chain infrastructure, and digital systems to create economies of scope. The episode breaks down how shopping costs and time savings influence customer decisions, why retailers care about basket size rather than simply store visits, and how different categories can reinforce one another. Food can generate frequent traffic. Household products can expand the basket. Pharmacy can create recurring shopping occasions. Private brands can differentiate the assortment. And additional services can make the overall customer relationship more valuable. Using Walmart and Target as real-world business case studies, this episode examines how large retail businesses combine broad assortments with omnichannel commerce, digital marketplaces, fulfillment, membership programs, private-label brands, and retail media. The discussion also explores how retailers can monetize the same customer relationship through multiple revenue streams and why a physical store can now function as a shopping destination, inventory location, fulfillment point, pickup location, and media environment. But selling almost everything has a cost. More categories create inventory complexity, operational challenges, space constraints, and management demands. The real business strategy is therefore not maximum assortment; it is finding the right balance between breadth, productivity, convenience, and complexity. If you want to understand how businesses work, how companies make money, how retail businesses operate, and how successful businesses turn shared infrastructure into competitive advantage, this episode offers a deeper look at the hidden system behind one-stop shopping.