Costco is just built differently. Sometimes that literally true, with its super-massive blueprint and extra-wide aisles. It's different too, in terms of its products. You won't find all of the ...

A row of Kirkland brand Irish whiskey on a shelf - The Image Party/Shutterstock Kirkland Signature brand liquors may be sold by Costco, but they don't come from Costco-owned distilleries.