Balance Rewards account required (free to join). Walgreens has the Opti-Free Replenish Multi-Purpose Disinfecting Solution with Free Lens Case (10 oz.) for $9.99 - $3 off coupon (click "Clip coupon" button) - additional $2 off coupon (click "View 2 available coupons" to see 2nd coupon) - 25% off with code FSA25 in cart = $3.74 with free ship to store.

Use same coupons and code to get the Opti-Free PureMoist Disinfecting Solution (10 oz.) for $4.49 with free ship to store.