If these are individuals and not members of the same family I would want invidual leases with each person. 

Eventually, it led me to choose another lender in the interest of time.The LLC was formulated later and I am working to have the property rent out.I am looking to transfer the property into LLC for the following reasons1) Liability2) Tax separation from individual / rental property.  

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?