Fast food has been a sensation for many years. Fast food restaurants including McDonald's, Wendy's, Burger King, etc have made over 10 billion dollars by just selling the classic "burger n' fries". Although it's not really healthy, it can be filling while you're on the road, as well as a good treat for your kids. Some fast food restaurants go way back into the 60's. As fast food started to get more popular, prices started to rise, too.