I know some campgrounds do not allow firewood to be brought in. I have seen some folks bring it in and leave it in the truck till they burn it in the fire pit. One guy even started a fire with Kingsfo...
I always see firewood for sale in someone's yard when we get close to a CG. I, personally follow the rules and do not bring wood from home. I don't like carrying the extra weight nor the big mess of bark, etc. We have been burning Duralogs. A nice little fire is all we need. I do see people that bring a big pickup FULL of wood and burn 24/7, the whole time they are there. Everyone gets woodsmoke, whether they want it or not!