Amazon offers the Glaceau Smartwater 1-Liter Bottle 6-Pack for $5.24 with free shipping via the below instructions. That's a slight drop from our June mention and about $2 less than you'd expect to pay in local stores. To get this deal:
  1. View the Glaceau Smartwater 1-Liter Bottle 6-Pack for $6.99
  2. clip the 20% off coupon on the product page
  3. check out via Subscribe & Save for a final price of $5.24 with free shipping
Note: Be sure to cancel Subscribe & Save once your order ships to avoid being billed for subsequent shipments.