The objective would be to zero on which part of the industry might best fit your skill set - there are lots of different options. 

AirBnB's done a great job using VC money to build a better VRBO, but basing an entire STR business on one platform is volunteering to play by someone else's rules: rules that are aligned to very different objectives than the ones each of us have as owners. 

So sorry to hear that this happened, and even more sorry to hear that your broker doesn't have your back on this.The key question is: What is your objective?

We have many well educated professionals some often take repairs in their hands with load lord objection. 

My objective is to get properties dirt cheap to use for rentals.    

Introverts understand the concept of quality over quantity.

Your objective in calling (or selling anything at all for that matter) should be to solve the problem that he has.

With investing you are obviously trying to balance asset class correlations and sync your overall portfolio with your risk tolerance, investment objectives/goals, time horizon, etc. which is unique to you. 

Our group has a little bit of everything at the moment and is always open to others.My wife and I had some of these same issues when deciding what to do and shiny object syndrome gets me every time I see a project.I suggest just picking one to start with, Long Term Rental might be the easiest then after you get that done you could try another method after that until you are confident and understand the processes to tackle multiple at once.

A mannequin behind curtains, or movable objects inside could also help to deter criminals from entering the property.