You find private lenders privately and from getting out and meeting likeminded people through your circle of influence.

What factors influence their decision to sway this in my favor?

It can take two solid years of prospecting, marketing and hard work to get really established in residential real estate, unless you have a large sphere of influence ready, willing, and able to give you business and referrals.

Firstly, it's your building, and your tail (physical and fiscal) on the line if something goes sideways.

The necessary steps are: 1. a definite purpose backed by burning desire for its fulfillment, 2. a definite plan, expressed in continuous action, 3. a mind closed tightly against all negative and discouraging influences, including negative suggestions of relatives, friends, and acquaintances, and 4. a friendly alliance with one or more persons who will encourage one to follow through with both plan and purpose."

I know some will say it's not a big deal, but it's pretty clear to see how the plan influences the best use of impacted properties.

I think he knows that, and realizes his influence over that public confidence.  6.  

This is location fueled and pretty much the influences are known before your invest in whatever location that might be. 

How to Win Friends and Influence PeopleJim Collins.

(Acts 20:34 ESV)Most importantly, if I focus on the person and not the profit, I believe God will give me a sphere of influence, a platform, on which I can be a light to the nations.