Amazon has the 0.17 Fl Oz ALCON Pataday Twice Daily Eye Relief bottle on sale for $9.99 - 5% off with Subscribe & Save (can cancel anytime) - 15% off coupon (check “Save an extra” box, eligible on first S&S order for this product) = $7.99 with free shipping on $25+ or with Prime. $16 at Target / Walmart.