Most Californians will just use living revocable trusts for holding assets to avoid probate and allow for proper estate planning, and then achieve liability protection through other means such as LLCs, insurance, etc. 

That's the basic idea.

My wife and I were gifted a .25 acre lot to build on in Lehigh Acres by her parents with the idea to build a duplex as we have no interest in living there.

A 1031 exchange is great idea but is not something I want to do with this property.

He had only played with the idea of selling it before he got my letter.

I doubt any algorithm can properly price your property every month of the year. 

Where did you get this idea?

If you are new to rehabs then getting written bids for everything you plan to hire out is a good idea.

Will give you an idea of what the average spread/points are in the area.

I have no idea who Anthony Turco is, never heard of him, but let me explain something about courses and gurus.There are a lot of fake gurus out there and a lot who have bad intentions, but even in most of those the course information is not terrible (it's just copied from someone else).