Obviously, this is all entertainment no one on the internet knows anything about you to give you advice.  

The reality is that the new generation of native-born Americans don't want to build houses, they all want cushy high-paid jobs in tech or finance etc. or to get rich quick off of crypto or being a youtuber or running internet businesses, etc. very few of them want to work in the trades. 

Scrutinize contracts related to services like laundry, internet, cable, and phone.4.

I'm in the business of real estate, not internet clout, but whatever makes you feel good about yourself buddy!

And if your LT tenant needs to assist with things now and then, be sure to show appreciation and compensation of some sort (I've offered free wifi, though my tenant prefers their own internet/cable).3) I haven't had any issues, but maybe avoiding carpet and low rates with single night rentals that ends up attracting homeless guests.

how revealing that you don't find it disturbing that:Marco Santarelli was soliciting investors by email and on their internet web site up until June 20th, when Marco Santarelli who signs the email as Founder & CEO, sent out his email suspending payments without previously mentioning any problems.

I am not sure they would be comfortable with me blasting their contact info all over internet. 

Books/internet/people you know who have done something similar. 

Figure out all the extra expenses of utilities, management, perhaps hot tub, internet etc. go low on income and high on expenses and see how the numbers look.

In-unit laundry is a must-have, and high-speed internet is essential for your guests, especially those staying for work purposes.