Burger King and McDonald's both offer $5 meal deals.
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- Taco Bell is the latest chain to offer a new lower-price combo deal.
- Other fast-food chains like Burger King and McDonald's are also involved in the value wars.
- Chains are trying to lure diners back in after high fast-food prices have turned many away.
The fast food wars are heating up.
Last week, Taco Bell became the latest chain to announce that it's launching a new $7 value meal deal.