Fast Food Value Meals

Fast food giants drop prices to lure customers.
1:53 | 05/04/13

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Transcript for Fast Food Value Meals
Relief is athand for just $18 a month. Talk toyour doctor about nexium. With the price of everything going up weekly, consumers are catching a break at fast food restaurants. For as little as $1 you can afford not to take advantage of the deals but how can the retailers offer them? How healthy is this for customers lured in. Reporter: Get ready to run for the border. Taco bell says it's about to roll out its dollar cravings menu nationwide. Tacos burritos and nachos for a buck. It joins fast food rivals locked in a fierce battle for our dollar. YOU CAN GET a McDouble, wendy's chicken nuggets or a burger king whopper for a buck. The restaurant sector is tough right now and competing vigorously against one another. Reporter: How can they afford to sell food for so little. They use mega deals to get us through the door and hoping we'll buy pricier items. They're hoping for more customers that will trade up to other items. It's a gamble franchise owners don't always want to make but it's worked well in the past. Boosting sales of the big chains. It's not just fast food chains doing it. New buy one take one. After finishing your bottomless salad and bread sticks at olive garden, your server will send you home with a whole new meal from the buy one take one menu. I have to say an excellent deal because it is. For the next week or so. Reporter: There is a real flip side to all this. Doctors say those deals drive many to eat more fast food and the leading experts that we talked to told us that the dollar items are often unhey. The foods that are linked with obesity and diabetes. In the meantime they're not making money from the dollar meal but everything else you buy when you go to the counter. The drinks, fries. When we come back in the

This transcript has been automatically generated and may not be 100% accurate.

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