Amazon currently has 12 pack Propel Water (Berry) for $6.38 – $1 off coupon (Clip it on the product page) – 5% or 15% off S&S = $5.06 (w/ 5% S&S) or $4.42 (w/ 15% S&S)
Coupon only seems to work for Berry flavor.
Edit: Forgot to mention that it will be in Stock on April 3.
https://www.amazon.com/dp/B002U5A…UTF8&