I personally use Vanguard, but I know others like Schwab and Fidelity also have solid options.

I wouldn't spend another moment of my personal time on it. 

I've personally invested and work with investors - it's critical to get your numbers right on the front end.

My personal goal is to build a rental protfolio, but I'm open to anything.Thanks in advance. 

It's crucial to consult with professionals experienced in 1031 exchanges and partnership dissolutions to ensure compliance and optimize tax deferral.Given the complexities, seeking personalized advice from a tax advisor or attorney is highly recommended.

For example, at the start, do you confirm if all persons in the house are aware of your presence, and do you ask if it is OK for you to open bedroom, bathroom and closet doors?

I have no idea who I should reach out to for help, and I just do not understand how this person no longer responds to emails or returns phone calls.I hope someone can provide some guidance. 

If I understand correctly; the seller would receive 80% ($40,000) directly from the mortgagee at closing and would enter into a personal agreement with me for the 20% down payment ($10,000) in which he would be reimbursed separately from my mortgage payments at a separately agreed upon rate and term?

I personally haven't sent postcards, I've had good luck with PPC and Video ads. 

I think it's just for text, not to talk with a live person.