Another deal you won’t want to miss out on is the buy one, get one free deal on Wayback Burgers’ classic burger. Unlike the other previously mentioned restaurants, Wayback is offering this promotion in-person, in addition to the Wayback Rewards program online and in the app.
Source: https://balleralert.com/profiles/blogs/national-cheeseburger-day-2024-the-best-deals-you-cant-miss/