> It would be very cool to have a social RVer thing with good organized resources.
I like this sound of this. What do you mean exactly?
> If I wanted to talk a park or two into onboarding this in their site, what's the overhead for them look like to do it?
It depends on how involved they want to be. They could easily go to
https://rvparker.westernbtc.com/manage to create their own rv park. If they want to use the booking system I created with it, that’d be the easiest way. It handles publishing new reservations, payments, refunds, sends confirmation / cancellation emails, etc.