Not to be negative but reasons campsites don’t have it are going to be your problem. 1) it is additional hassle for them with no obvious upside as they most l

Not to be negative but reasons campsites don’t have it are going to be your problem. 1) it is additional hassle for them with no obvious upside as they most likely have their organic traffic 2) they are not that great business - even if - then they most likely don’t want a database that tax authorities could see that they are. Both reasons seem like lots of those places wouldn’t pay for service. But feel free to prove me wrong by having great business.