Head to CVS this week with coupons to stock up on contact solution:
Renu Advanced Multi-Purpose Solution 12 oz $7.99 (regularly $10.29)
Use the $4/1 Renu Advanced 12 oz+ Multi-Purpose Solution coupon found here or in the 2/3 SS (exp 3/9)
Or use the Use the $4/1 Renu Advanced 12 oz+ CVS App Savings Available this week
Pay $3.99
Get back $3 EB
Final cost = 99¢