If you have a Blockbuster store nearby, this is a wonderful deal! Go to http://www.blockbuster.com/stores to download the coupon.
Details from their website:
We’re celebrating our new prices and massive stockpile of new releases with a new deal: unlimited free rentals at your Blockbuster store!
Just rent one of our newest releases for $2.99 and enjoy unlimited movies priced $1.99 or less for FREE through July 4 (1-day rentals, 1 at a time).*