Almost $4 billion of that consists of alcoholic beverages. And they turn to their own private label, Kirkland Signature, when the wine they want isn't available on the open market. While they certainly pick and choose carefully (30 different labels of cabernet sauvignon), they also leave room for other criteria. In his most recent earnings call with investors, CFO Richard Galanti pointed out the challenge for Costco: digital shopping means fewer visits to brick-and-mortar stores. The other piece of good news for wine-lovers is that wine priced above $10 is selling well, rosé wines are on the upswing, and Prosecco sales are "astounding."

Source: Forbes February 17, 2017 19:52 UTC