A private money lender is a private individual you know or have a relationship with such as a family member friend, business associate, dentist, doctor, etc and they are typically not licensed, they are not advertising or looking for you, you need to find them.

I have  3 granddaughters finishing up or in process of getting  their BA/MA degrees, one works in a dentists office,  another is a manager at McDonalds (both of them live at home with parents)  and the 3rd works at Home Depot and moved out to rent a room closer to her school.

A Private Lender (They way I use the term) is a dentist, doctor or businessman that will lend from their pension account.

Second, if you own a business with a partner and die, your spouse is now in business with your partner and he or she may not be the best architect, electrician, dentist, or otherwise know anything about the business.

Another good source is a doctor or dentist that you know or a business owner.

This was pre internet days so immediate access to credit was not there Not the case I’m today’s world I guess the takeaway is always hire a good full time property manager upfront let them do what they get paid for and don’t cut corners Hiring a Realtor that is not a Property manager to find a tenant only and to save the monthly management fee Is Like going to the dentist and being told you need a route canal.

How Real Estate Investing Made Financial Freedom Possible for a Dentist?

Nothing else.When I'm waiting for doctor's appointments-dentists, in line for other mundane consumer chores, I put stuff on index cards and study them. like sales objection handlers, marketing ideas, and the like.Or I talk into a portable digital tape recorder.Or I practice to complete and utter strangers my "elevator speech."

The dentist across the street wanted, to pretty much knock it down because he felt it devalued his business property. 

Doctors and dentists might be interested or business owners, larger used car dealers usually have cash too.Talk about what you do with others, there are posts here, search "how to find private money" or HTFP lenders.