Add four of these LaCroix Sparkling Water 12-ounce 24-Packs and your total drops from $51.96 to 37.12 at Jet.com. Plus shipping is free. This works out to $0.39 per can shipped, which sell for $0.46 in most grocery stores. Choose from four flavors at this price, while two other flavors are available for $38.16 shipped when you buy four. You'll also get an additional discount when you buy more than four, or opt out of returns. Sales tax is charged in most states.