Target Windex Touch Up Cleaner just $1 after stack!

***Target Scenario***

Windex Touch-Up Cleaner, $3.50

Use $1/1 Windex Touch-Up Cleaner 10oz Target Mobile Coupon (text PICNIC to 827438)
and Use $1.50/1 Windex Touch-Up Cleaner 
Final Cost: $1.00

Thanks Totally Target!