A 32-pack of the Kirkland Signature costs $7.49, while $7.99 at Costco will only get you 24 LaCroix cans. RELATED VIDEO: Turn Flat Soda Into the Easiest-Ever Barbecue Sauce with This Hack ...

Better watch La Croix, you might get dunked. Better watch LaCroix, you might get dunked. Although LaCroix is a favorite among water-guzzling Millennials, retail giant Costco is wading in with a ...

Costco's Kirkland Signature brand water is affordable and crisp, but there's a third-party brand who's actually bottling the water for Kirkland to sell.

The loser in our taste test was Kirkland's Italian sparkling mineral water. Granted, this was the only sparkling water we tried that wasn't flavored, which is why it's at the bottom of the list.