Propel Powder Packets Four-Flavor Variety Pack With Electrolytes, Vitamins and No Sugar (50 count) $7.68

Amazon has propel 50ct 4-flavor variety pack on sale for $7.68 ($0.15/serving) after %15 off coupon and 15% Subscribe-and-save discounts.
Historically this has been selling for $12.99 but in May has been as low as $10.98.
https://www.amazon.com/dp/B0789FRV55