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Redboxes -- those little kiosks in the grocery store offering the newest DVDs for $1 per night -- are an awesome alternative to Blockbuster: more convenient and less expensive.

The only thing that could make Redbox better would be not having to pay $1 per night and, amazingly, that's actually possible. InsideRedbox has codes, updated daily, that you simply type in when you go to rent a DVD and you won't be charged. The catch is that, if you keep the DVD for more than the 1-day rental, you will still have to pay $1 for each extra day.

Just scroll down the page and find a code with a high success rate. Write down a few before you head to the grocery store in case one of them has expired.