The forms are online, and it costs $100 per filing. 

3) Is there an official IRS form where these hours are documented, or would an excel file suffice ?

I have looked on the Arizona real estate website and all I could find was the addendum, I would really appreciate if someone here already has that contract and is willing to share it with me that would be great.

Here in AZ you can look up the personal representative as they are appointed.

@Jerry Tello for what it's worth, I invest in tax liens in AZ.

Should I file suit to make them sell the property?

I live in a small town in eastern Arizona, about 7000 people, and we have a pretty serious shortage of rental properties.

Same goes for number of LLCs and what to fund them with, since bear in mind that CA tends to be more cumbersome and expensive to have LLCs than other states.California is generally more cumbersome than other states when it comes to taxes and filings.

If Jorje works the same way North Carolina does, go to the register of deeds and learn how to look up substitute trustee filings.

Lenders will want to see the filed Articles of Organization, an Operating Agreement that you can get from your attorney or, if you're brave and it's just you on the LLC, some people use Legal Zoom or Law Depot.