If you can, bring your own refillable water bottle. The water at concerts can be expensive and some venues allow you to refill a water bottle for free. Common sense but needed to be said. Might sound weird but keep your stance in mind. If you get near a pit or toward the I Can’t Always Control Who Walks Into My Life Shirt but I will buy this shirt and I will love this front it’s really important to maintain your space – or at least attempt to. I usually lock my elbows at like 90 degrees and keep my forearms out in front of me or in whatever direction the pit is. It’s not rude to have a forearm against someone if needed but watch your elbows unless they deserve it. I’d say cellphone in front pocket if possible, I’m always a little nervous about the back pocket getting swiped in crowds Watch for crowd surfers, especially if a group seems to be the starting point for them. Good crowd surfers know to get everyone’s attention around the starting point and to gently lift the person. Assholes and/drunkies sometimes just launch the person up and if no one is looking they just crash down on poor bystanders.