I definitely would recommend each of them - very resourceful and of course, investor-friendly.

You won't know everything you'll need to up front, but if you surround yourself with resources and tools, you'll find the answers you need when you need them.You're doing the right thing by building your network now, attending meetups and posting here! 

Is there any good resource with links to the relevant sites in particular states/counties?

Make use of its features like online rent collection, maintenance requests, and tenant screening.Local Resources: Consider joining the Central Indiana Real Estate Investors Association (CIREIA).

You are also able to enjoy all of the resources Bigger Pockets offers here.

Again, if anyone knows of any resources about building a park and running it, please let me know. 

Chalet is a great resource for getting set up with a STR team.

@Frank Mongiello is a great resource for a real estate agent in Central Florida and South Florida.

If you’d like, I’d be happy to chat more or help brainstorm strategies for finding the right resources and team members.

To reevaluate, my team and I can provide further insights and resources if you're interested in implementing a creative investment strategy.