It is common for three airplanes to be touching down on the runway at the same time. This isn't a regular operation, so heads up. Once you land, follow the ground handler's instructions to clear the runway and keep it clear. There are lots of folks behind you on short final. And welcome to the family.
Some people swear by it, some people swear at it.
But the experience is definitely one you'll be glad to have gone through. Volunteers will help you park without blowing your fly-in neighbors over. Tie-downs are mandatory, and if you don't own a set, you can rent them on the field. The experts have elaborate camp set-ups. Screen rooms, tarps over the wings, large tents.