Usually there is no cover unless it is specified for a certain event. This will be on the event listing.
Normally no. Special events may vary.
I don't recall having to ever pay a cover charge to get in, but in agreeance with Trey drinks are mich cheaper with cash as opposed to anything else.
To add to both Elizabeth's and Mauricio's previous answers, there are some nights that they have significant discounts on drinks if you pay cash. It might help to bring cash just for that.
Elizabeth is right, and always remember bringing cash to tip your bartenders 😉
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