You use non-professional version or Realtors.com, Zillow like everyone else.

We will definitely eventually engage a professional, but I wanted to check with you knowledgable folks first to make sure I have a solid strategy going into that discussion.The house was bought >10 years ago for 800k and is now worth between 2-3.3m per Redfin and Zillow.

Some of my hobbies include playing soccer and video games.

Any/all thoughts guidance and professional recommendations are welcome.

Obviously this is during your analysis phase and I would think you would get your numbers validated by professionals.

Would like to connect with local Real Estate professionals and investors in the area before I return to California this weekend.

Each professional should have at least 15 years or more of experience in the area because I want to speak to those who have been in the game for a while and have extreme knowledge of where the area is going. 

If you have boots on the ground they can take photos and video of what you need to see.

What I learn from Bigger Pocket and my daily work life as an acquisition/contract professional, always put a "subject to"/ exit clause to your agreement. say for example subject to his performance or ROI of mentorship.

There are a few videos that may help.