However, if the house burns down the insurance company will replace it. 

How "fat" are they getting off the deal.

Should I wholesale a house that is burned-out ?

If you do have other investors/family members who could buy a stake to help with everything I mentioned above then this 8plex is certainly possible, but you have much to learn and it's easy to get burned in this business if you're not experienced and educated.

It burns a lot of OOS investors.Please don't rely on seller proforma.

I've set quite a lot of goals for myself for the new year and the first week was fine but it's only the second week and I can already feel myself burning out.

Burning oil for heat is probably going to be viewed as antiquated the further along we go in this century.    

What I would like to ask is, what are my landlord rights, while waiting for the legal proceedings to complete itself, to protect my property from harm (damage caused by squatter, be it not turning on heat and causing all the pipes to freeze, to physically trashing the property, exposing it to water damage, to burning down the property), and protect me from squatter excessively using water and electricity?

I think between Covid and heart condition he has burned through my initial payment and his personal savings.

(Got burned in the past) No lender involved--all cash offer.