It's Valentine's Day and many people are possibly planning on a cozy evening by the TV with their sweetheart. Make it a cheap one by snagging a few free one-night movie rentals from Redbox . Simply stop by your local red kiosk (they're hard to miss!) and enter code SWEET to get a free one-night rental. Then enter code HEART to get yet another free one night movie rental. Look for local kiosks http://www.redbox.com/locations. Find out renting FAQs here . Both codes expire 02/14/2013.