4-Pack 8.4-Oz Red Bull Blue Edition Energy Drink (Blueberry) $3.55 w/ Subscribe & Save

Amazon has 4-Pack 8.4-Oz Red Bull Blue Edition Energy Drink (Blueberry) on sale for $6.33 - $1.50 off when you 'clip' the coupon on the product page - 15% off when you click to activate promotion - 5% off when you checkout via Subscribe & Save = $3.56. Shipping is free w/ Prime or on $35+ orders.