More than likely, yes. They're are very accommodating
Yes, more than likely
As long as they are not sold out and they may charge more. They take card but exact change is king.
*Seconded Cam Jorg's answer*
I did, no questions, but it may depend on the promoter behind the entertainment, though I can't imagine why they would, a sale is a sale after all, but the price may vary.
The door may be marked-up slightly. As long as it isn't a sold out show, you're always able to pay for admission at the door.
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