This will set up your buy and hold business long term. 

What aspect of their business, the property managment software or investment management software.

That’s how the wealthy do it with real estate or businesses.

I also own a water restoration and general maintenance business in the area and the amount of STR owners that we have spoken with is insane.  

Our goal is to have a short term rental business and build it over the next several years.

https://www.biggerpockets.com/business/finder/agents

I checked the Better Business Bureau for complaints, I checked the NJ State Attorney General consumer division to ensure he was licensed, I checked every reference he gave by visiting sites and speaking with the homeowners. 

Try and join a few local Facebook pages and connect with locals who are in the house hacking business. 

However the owners retired and her team left when she sold the businesses.

Income from leveraged real estate or active business income.