Most managers are on just these sites and perhaps their direct websites, but the others are realistically the primary source. 

There are some pay sites like thumbtack too.

I think I may have read it - but honestly somewhat of a blur because I've read so many different blogs/articles on the various classes of property to help me not only gauge where it is, but also in setting expectations. 

Take a look at BP's blog where new articles are published every day: https://www.biggerpockets.com/blog4.

Appreciative to the BP Community and knowledge learned from forums and blogs as well as Podcasts and webinars.  

It offers more protection overall.I will say that I am not an attorney so I would consult with a real estate attorney who is also an investor.Check out this BP blog by @Scott Smith - https://www.biggerpockets.com/...Lots of info about series LLCs.

So I don't think that warrantable vs non is relevant.Check out the site and see what you think.

Take a look at BP's blog where new articles are published every day: https://www.biggerpockets.com/blog4.

Also site like furnished finder will have active comps you can look at and comps out. or use airbnb search with 30 days+ or more to see the active comps. it will be close or less than the active comps abit

The registration site still isn't working properly.