What time is check in..if the spot is empty can you set up if its empty on the date you paid for

We went camping last week and showed up around 11 am. All i did was checked in at the gate, paid and set up. My space was empty that day.

Usually check in time is 1 pm, if you there early if your space empty you can go in

Im paid for 7 days an i figure if i paid for thoses days i want it spon asap..im not paying for 10 hours out of 24 if space is open an no one thete....im not rich..an i just want to go where everyone is happy ..than you for responding