You'll have to put it all together and match it to your deal design.

How you do it and your level of comfort with the options, is entirely up to the LLC owner. 

I was looking to have it convert to a long-term mortgage and eventually cash out refinance to build a second duplex once enough equity built up  Unfortunately that is going to be designated as rural by almost every bank just for the acreage alone.

You are getting good input.Does your lease designate how they need to pay? 

Before proceeding, ensure you have a comfortable cash reserve for unexpected property expenses and maintenance.Property Management: Decide whether you want to manage the property yourself or hire a property management company.

Get out of your comfort zone.

Design called for this to be installed on same plane as the doors.

Zoning change and a lot of design an lobbying.

The people who can share those kinds of resources are the people doing the design and drafting work as their profession. 

Also, private lenders will be happy to give you funds for small rehabs and that will help you build a portfolio of rehabs so that they feel comfortable to fund larger rehabs for you in the future.We're a private lender, if you have any further questions I'll be more than happy to help you with those.Regards,Jackson