Today only. Redbox has a 1-day DVD movie rental for $1.35 ($1.20 in some areas) - $1.20 off with coupon code LKMNLK99 at checkout = $0.15. One code per transaction. You can reserve online and pick up later.

Code will also get you a Blu-ray rental for $0.30 or a game rental for $0.80

You may possibly need to reserve online, as some previous promos have been unavailable at the kiosk.
Also "may" be able to reserve multiple movies if done separately, like past promos.