I personally have 12-doors there and focused on the BRRRR method when I was building my portfolio.

A common area will need to be cleared as the other ADU will be build.  

I am ready to file a lawsuit. 

@Garrett Mathis PMC software is mostly focused on tracking leases, tenant payments and then various other building data.

Build your design around the area.You wouldn't want to do a Miami beach theme at a high mountain cabin.

. 🏡🏢 Rather than tell you what features I want to build, I would love to hear from more investors like you about what challenges you’re facing, what’s not a pain point and what tools you have that are useful, what tools aren’t — so that I can build something would actually be helpful to you!

The interest paid on a HELOC may be deductible if you used the funds to "buy, build, or substantially improve" the first home. 

So I put years of work into renovating a couple run down buildings to provide apartments for people, did all the work myself and then was laid off my job.Since then I've been pursuing this dream of being self employed before its all over.

Also be ready for the insurance company to drop your coverage. 

He will finance building the house.