You should vet the company to ensure they have the resources to pay the rent.You ALWAYS do background checks on the people living in your property because if you let in an axe murderer and they harm someone, you are likely to get sued.Whether or not you charge an application fee is up to you.  

If you want to test you're own theory there is no harm in putting up the rooms as separate at a discounted rate and see if you end up with some bites. nothing wrong with throwing the add up and testing it. 

Unfortunately, with the number of pivots that are publicized and at inexperienced investor’s disposal, there’s never been more avenues for inexperienced investors to hold on too long.I hope inexperienced investors are mindful of this because I am constantly interacting with investors who are falling for these traps and doing immense harm to themselves, even if they may not be fully aware at the time of their decisions.It's crucial for investors, especially those just starting out, to recognize that not every investment will pan out as hoped (unlike what the gurus will tell you).

How do you prepare them to receive and manage that wealth so that they don't squander it and/or have it cause more harm than good?

There's no real harm to keep tracking your hours, so it shouldn't matter too much anyway at this point.

That literally makes no sense.Who is at risk of any harm for str's?

Again, there is a non-disclosure agreement, an arbitration agreement, an agreement not to post on 3rd party sites like this, and for matters to be resolved privately in order to avoid harming anyone's image and goodwill.

It's that easy and it's not going to harm anyone's health, particularly when it's in a closed closet.3.

No harm no foul.

We don’t know any PMCs to recommend in the area mentioned, but since selecting the wrong PMC is usually more harmful than selecting a bad tenant, you might want to read our series about “How to Screen a PMC Better than a Tenant”:https://www.biggerpockets.com/member-blogs/3094/91877-how-to-screen-a-pmc-better-than-a-tenant-part-1-services-and-processesWe recommend you get management contracts from several PMCs and compare the services they cover and, more importantly, what they each DO NOT cover.