https://amzn.to/3GnF9V8 12.70-oz Key Nutrients Electrolytes Powder Hydration Drink Mix (Lemonade, 90 Servings) on sale for $39.99 - $20 (clip the 50% off coupon on the item page) - $4 (5% Subscribe & Save discount) = $15.99. Shipping is free with Prime or on $35+ orders.