Originally Posted by
baccarat_king
IIRC, they hit you with a
significant service fee for using a credit card to pay in a Las Vegas Taxi.
Even in Vegas.

(How to do you tip @ hotels - in Vegas or otherwise? by credit card?

)
It's a couple of bucks extra for the fee. At least one cab company has the CC terminals in the back seat where the customer slides their own card, accepts the extra charge, and chooses the tip on a touchscreen. You can ask for a CC capable cab at the taxi queue at LAS.