I'm also concerned about the liability that I might be exposed to here by allowing what appears to be a business to operate out of my rental.

My company is licensed in 31 states for owner occupied loans (check my profile) and I can lend in 45 states for business purposes loans (nonQM and dscr loans).

This will be based on the personal details of your business.

@Tar-U-Way BrightYou can use the LLC to set up business bank accounts and business credit cards.

RickTreat this like a business.

I have a rule , never do business with family or friends .

This is why I have an experienced legal counsel involved early in the process. cool  kind of like companies that factor business's account receivable.

Is it worth to invest and learn from their program in order to start my co-hosing STR side business just to get some extra money monthly?

@Nadia Jones Starting and running a fund is a separate business because it's something that you need to actively market for and regularly work on attracting capital to invest in. 

@Dan Groveyes, go to meetups (real estate or business) and meet people in person and build a networkbut... no offense... i don't think funding an entry fee in second position is a particularly compelling investment