[genwin]

You could have a restaurant like that if you could get the customers to agree up front to pay whatever you decide to charge after service is rendered, as hospitals do. It would probably work if there were only a few other food sources in the area, all doing the same shakedown of their customers.

[hamburglar]

The other critical element is you'd need to have a situation where a burger was something that really isn't optional, and going without it means you or your children are in pain. This definitely affects the calculus of the decision.