Amazon has the 8-Pack of 10-Count Nuun Sport + Caffeine: Electrolyte Drink Tablets (Wild Berry) for $24 - 15% off coupon (check "Save an extra" box, eligible on first S&S order for this product) - 5% off with Subscribe & Save (cancel anytime) = $19 with free shipping on $25+ or with Prime (extra 15% off with 5+ items S&S order).