Realtors, and in some states title companies also, are the gate keepers of the most comprehensive network of real estate sales information, the Multiple Listing Service (MLS).

Pending the project we're doing, we like to approach a potential investor with the overview of the project, and often present the scenarios for him/ her as a debt investor and / or an equity investor, leading with whatever option we think makes the most sense.

I am looking for one that provides an overview of the process and also suggests strategies.

Sounds like you have been able to obtain a good overview from your parents.

The following is an overview of the interaction between the seller and I, as well as my actions taken so far.

High overview, the mother passed away in March of 2014 and the property was left in a trust to three heirs. 

I am working on a comprehensive list.

I also took a glance at DF and they call for a study to be conducted on SAM's for regulatory oversight: "Study of Shared Appreciation Mortgages (Section 1406) – Requires HUD to conduct comprehensive study to determine prudent statutory and regulatory requirements for wide-spread use of shared appreciation mortgages and report to Congress within 6 months after date of enactment."

It's free and provides a fabulous overview of the investing process.

You did not do comprehensive tenant screening, you handed over the keys before you had a signed agreement and before you received all of the monies required at move in.