This used to be the case, but it isn't anymore. https://en.wikipedia.org/wiki/Expressions_Hair_Design_v._Schneiderman https://en.wikipedia.org/wiki/Expressions

This used to be the case, but it isn't anymore. https://en.wikipedia.org/wiki/Expressions_Hair_Design_v._Schneiderman https://en.wikipedia.org/wiki/Expressions_Hair_Design_v._Sch... Plus, plenty of gas stations show a cash/credit price on their signs. The merchants are no longer allowed to block this behavior.