The goal today, Sept 2020, is to be tuning up your marketing tools, tactics, start spending $$ getting the pieces out, SMS out, even though you aren't getting any responses (many anyway).   

I am happy to take a look and tell you what you should be getting (there are some pieces of the puzzle missing such as credit score, etc.) 

The whole purpose is to put the buyers agent commission back in play as a piece that needs to be negotiated.

I'm also wondering if anybody knows the costs and rules for bringing in water and power to a piece of land in these areas, I know it's different for each property but is there any possible way to get estimates on bringing in water and power to a piece of land I want to purchase before actually buying the property so I can create a general budget for buikding a home.

As far as exterior, either redo all the siding or just the pieces that need to be redone.

There are a lot of moving pieces when getting into Property Management, do not underestimate the amount of effort or work involved. 

This distinction is important   A court settlement enforced by the Federal Courts and Department of Justice.

Some brands are better than others for having the nose pieces for the front of the stairs.

There are already means to sell pieces of individual properties (simpler than options like condo conversions).  

To answer your questions: The seller financing piece is likely to complicate your refinance.