Some Target stores have Propel Zero on Price Cut for $0.79.  Here’s how to get them for only $0.29:

Propel Zero, 20 oz $0.79
$1.00/2 Propel Zero Calorie, any 20 oz. or 24 oz. single serve bottles from SS 2/13
Final Price:  $0.29 each when you buy 2

Thanks, Totally Target