UPDATE: It sounds like this offer has expired. The ad is still on their website, with no mention of an expiration date, so if you did not get a coupon, you may want to try contacting Redbox.
When you rent Hotel Transylvania through Redbox, you will receive a $5 off coupon to purchase the movie. Make sure you enter your email address, because that is how the coupon will be delivered. Take your coupon to Target and you can get the movie for only $5.00.
Hotel Transylvania DVD $10.00 (on sale through 2/16)
$5/1 coupon from Redbox
Final Price = $5.00
Thanks Happy Money Saver!