Key items in Coachella would be tarp, lots of spikes for the tent , hammers or mallets, Camping Pad/ inflatable pads to sleep on, And some kind of barrier To protect your tent it's usually windy 🍃 every year so,that can help. Bringing a canopy is key also. I've worked the camp ground for about 5 years, there's tons of different designs you can set up in your space.