The recession has been a real boon for supermarkets as more people having been buying store brands and eating at home instead of going out to restaurants.

But what can you do when even the supermarkets are not cheap enough for you?

In a new trend, some people have begun shopping at salvage food stores. These are the types of stores -- usually located in metro areas -- that sell dented cans and all kinds of food that is very nearly expired. To say that the prices are rock-bottom is an understatement.

Our producer Joel tried salvage stores when he was in college. He jokes that he's surprised to be disease-free after repeatedly going around 10 or 12 times. They can be that dirty in his experience!

But Joel estimates that he saved up to 75% off traditional food prices by shopping at salvage stores.

Clark is intrigued by the idea of salvage stores and has vowed to check one out. We'll let you know how it goes…