Amazon offers the Bai Bubbles 11.5-oz. Can 12-Pack in Gimbi Pink Grapefruit for $13.75. Add it to your cart via Subscribe & Save to drop the price to $13.06. With free shipping, that's the lowest price we could find by $7. Each can contains only 5 calories and 1 gram of sugar.

Note: Be sure to cancel Subscribe & Save after your order ships to avoid being billed for subsequent purchases.