Check out this deal on the TheraTears Extra Dry Eye Therapy eye drops on Amazon.
A 2-pack is on sale for $11.69, and Subscribe & Save will get you 5% or 15% off that price. Don't forget to clip the coupon for 25% off to pay as low as $7.02.
When you learn how to maximize Subscribe & Save, it comes in handy to save extra on essential deals like this one.