Lots of weird savings are applied at checkout...won't last long. Amazon has the Javy Cold Brew Microdose Coffee Concentrate (6oz bottle/30 Servings) for $19.50.

Add four bottles to cart to reach $78 - 5% off with Subscribe & Save (can cancel anytime) - 10% off coupon (check "Apply coupon" box) - $15.60 off at checkout ("Promotion applied") - another $15.60 off at checkout ("Promotion applied") - $19.50 off at checkout ("Buy 3 Get 1 applied") = $17.55 with free shipping on $25+ or with Prime.