The two siblings that were appointed executors, only because the will was done in a workshop and it simply suggested the oldest boy and the oldest girl be appointed those positions not because of their experience or knowledge in this field.

Can you partner with someone experienced in the cannabis field to get them on the team?

As for the appraiser, you believe (from your post) there is some implied confidentiality about the value they come up with, something along the lines of financial or medical confidentiality. 

A lot of forum members are very knowledgeable in their respective fields related to real estate investing, whether that is real estate sales, wholesaling, flipping, rentals, lending, self-directed IRA and Solo 401k investing, or tax and legal guidance.Discounts on some products and services are offered to BP members: https://www.biggerpockets.com/perks/proIf you haven’t been to it already, you might want to check out the BP blog: https://www.biggerpockets.com/renewsblog/The site has quite a few tools that can be helpful for new members.

They have been good tenants up until recent medical issues and have fallen behind.

This is all about obtaining information and experience from those who have been in this field for a while. 

A lot of forum members are very knowledgeable in their respective fields related to real estate investing, whether that is real estate sales, wholesaling, flipping, rentals, lending, self-directed IRA and Solo 401k investing, or tax and legal guidance.The site has quite a few tools that can be helpful for new members.

If you are in a competitive market you will need to go non-contingent to make your offer stand out and in many cases to level the playing field.  

Are you fielding the calls and doing the showings yourself?

I would always highly recommend new investors to go shop around to find (1) knowledgeable professionals with (2) personal experience in the field of investing you are looking into that (3) you are comfortable working with.