OK, a practical consideration: luggage. As with any travel, compact baggage is ideal - with space travel it’s essential. For the Moon, a rolling bag’s probably a liability. Crater rims, rocky and dusty surfaces, those are not the best for little wheels.
But with less gravity than on Earth, traveling light isn’t such a concern. In fact, a few lead bars could be essential, in with the undies and a toothbrush, to keep luggage from floating away. Just make sure your bag is properly labeled, so there’s no confusion with the other passengers’ bags.
They probably won’t let any liquids be brought aboard; even 3 oz./100 ml in a container would be too much.