The Kirkland Signature French Vodka was named by a panel of industry experts as their favorite vodka in a blind taste test against premium name brands. Many reviewers have compared it to Grey Goose — in part because it is produced in the same French distillery. At approximately $20 per 1.75-liter bottle at Costco versus approximately $55 for a 1-liter bottle of Grey Goose, the price differential is so significant that the member community has a specific name for choosing Grey

The supplement category is where Costco's institutional pricing generates some of its most quietly significant member savings — because the same active ingredient, at the same potency, in the same dosage form, can cost 60 to 80 percent more at GNC, Vitamin Shoppe, or a health food store than it costs at Costco. And unlike the grocery categories where the Kirkland Signature quality story involves some quality trade-off for price, the Kirkland Signature supplement line operates