Most applicants would object to allowing you to run their credit before they've even seen the place and decided if they want it, and rightfully so. 

In addition, sometimes the shiny object syndrome is very much in effect when I come across a new business idea or real estate strategy.

The courts, if it ever comes to that, will look at a number of factors to objectively try to determine your intent, but ultimately it is intent that controls. 

Any advice on how to make an objective/quantitative decision?

When we take interest in a market we also like to have other poke holes in our rationale and if we get an objection we really can't overcome is outweighs any of our whys then we go back to the drawing board.  

However, unlike most crowdfunders, my objectives do not include "scaling" the business most quickly, bringing it to a level it can go public, or engaging the greatest number of investors.  

Not for everybody, but it's the strategy that works for us based on our objectives. 

I'm not sure I understand her objection to your actions. 

For most investors using this strategy (myself included) maintaining decent Cash Flow is still an end objective.  

If you are incapable of separating your emotions from a material object you will be incapable of making a logical rational decision.Personal homes are a liability, sell it, keep it, what ever you choose does not matter if it no longer a investment.