Double coupon! Amazon has the 2-Pack 0.5oz TheraTears Extra Dry Eye Therapy Lubricating Eye Drops for $14.39  - $2.88 off coupon (choose "One-time purchase" then check "Apply Coupon") - 40% off coupon (check “Save an extra” box, eligible on first S&S order for this product) - 5% off with Subscribe & Save (can cancel anytime)= $5.03 with free shipping on $35+ or with Prime. Corrects the salt imbalance and rehydrates dry eyes.