[pwinnski]

Doing so would violate their contract with the credit card companies. In some states, it might even violate the law.

[gamblor956]

This is both true and false. In 2013, MC and Visa agreed in a settlement that they could not prohibit merchants from imposing a surcharge on credit card customers.

However, 10 states prohibit such surcharges, including CA, NY, FL, MA, and TX...i.e., the states with most CC transactions.

[twobat]

This feels like 100% against the free market spirit.