So now you’ve gotten a wide variety of PERSONAL opinions, all based on the individual bias of the posters and their past relationship, feelings, fears, and experiences with THEIR debts.  

I didn't get too far into the investors personal goals since I was more curious what you/individual investors in the area would do themselves.I think with the amount of cash he's got and the appreciation in the Phoenix market this is the route I would go myself.

What is the legal process,  or the ABC to do when asking for private money from individual and private hard money lender?  

I like propstream.com mosty for deep and wide (best i;ve found) data/lists and deep dive into individual addresses. 

Does anyone know of an individual or company that would co sign with a stranger (me)?

The state the property is located in, homeowners' insurance policy, and whether you rented as an LLC or individual all make a difference.

How about the individual who took a social media guru course and now believes there are sellers lining up willing to accept terms seasoned real estate investors have never seen in their lifetime. 

I called my local Probate Court and the Court Clerk but they had no idea what I was talking about or where and why this information would be public and referred me to contact each individual estate.Has anyone utillized a Lead source online for probates that is reliable?

You can do everything from strategizing your incomes together or individually and loans jointly or loans borrowed jointly to maximize the 10 total financed properties.

If a cash out refinance, many lenders will allow the cash out to satisfy the reserves requirement.DSCR lenders generally let you vest either individually or as an LLC.