Comment is also a bit misleading. Costco contracts all of their products, or for a better on-topic example - their air conditioning installation. It's the same

Comment is also a bit misleading. Costco contracts all of their products, or for a better on-topic example - their air conditioning installation. It's the same with Home Depot. They don't "make" anything, they contract everything out (Home Depot-line tools, i.e. Ryobi, their flooring installations to some of the cheapest local installers, etc.).