There is a deal coming up at Walgreens on 1/29 that you will need this $1 off Blink Tears coupon for. You can get the coupon now HERE and just hang onto it.
::DEAL IDEA::
STARTS 1/29
Buy Blink Tears 0.33 or 0.5 oz $8
Use the $1/1 coupon here
Total: $7
Get back $8 Register Reward
Total: FREE + $1 money maker after RR