What is their book of business?  

It's important to consult with an attorney or an accountant to determine whether an LLC is the right choice for your specific situation.You can reach out to me and my team who can guide you through the process and help you navigate any challenges that may arise.

Does anyone recommend knowledge sources on building a mobile home parks (websites, books, organizations, plans, etc..). 

Here are some tips to help you start on the right path:Education Is KeyInvest in yourself first by reading or listening to books and podcasts about real estate investing.

So, if anyone can guide me in the right direction, I would like to know:1.

Google the term UBIT.Tom Wheelwright has a chapter on why you don't want to do this in his book Tax Free Wealth.

AirDNA only know whether a night is open or booked. 

@Zach Howard I am working on a how-to book on Creative Financing now (I am the author of BP's book on Mid Term Rentals) because when I was teaching myself I was frustrated at the lack of clear instruction.

Start with BiggerPockets Ultimate Beginners Guide (free).

Educate yourself with books, podcasts, and market research, define your goals, and build a team of professionals to support your journey.