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can a merchant charge you more in the us if you want to use a credit card?
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i'm not sure about the laws in specific states. however it's part of their merchant agreement that they can not charge a fee for a customer paying with credit card. it's also against merchant agreements to require a minimum purchase to use a credit card, although this is less commonly enforced. apparently (http://fso.cpasitesolutions.com/premium/le/06_le_ic/fg/fg-merchants.html) merchants can offer a cash discount. offering payment by credit card, though practically a requirement in todays retail environment, is a privilege for the merchant. it's a way of making buying convenient for the customer. as a result, penalizing the customer in any way is not just against their agreement, but rather disingenuous as well. edit: here's a bit more information about what they can and can't do. amex prohibits discrimination, so if a merchant can't do something to a visa/mc customer they can't do it to an amex customer either. http://fso.cpasitesolutions.com/premium/le/06_le_ic/fg/fg-merchants.html
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