Amazon has a 2-pack of the Bausch & Lomb Boston ADVANCE Conditioning Contact Lens Solution (3.5 fl. oz. Bottle) for $17.72 - 20% off coupon (first S&S order for this product) - 5% off with Subscribe & Save (cancel anytime) - $2.44 off automatically at checkout ("Extra Savings") = $10.85 with free shipping on $25+ or with Prime.