A popular burger stand in Blackpool, England, has kept its signature burger at a little over $1.34 for nearly 20 years. Owner Chris Higgitt credits bulk buying and social media.
https://www.foxnews.com/food-drink/owner-viral-134-burger-stand-shares-secret-keeping-prices-unchanged-since-2006
https://www.foxnews.com/food-drink/owner-viral-134-burger-stand-shares-secret-keeping-prices-unchanged-since-2006