It will take you 2 years to build. 

Valuation only makes sense with respect to what you are willing and able to do to get this deal.

After pouring $30,000 into it, what will your return on investment be?

What is the monthly time commitment, and does the cash flow meet the hourly value of your time?

I will go down to the post office and ask again.

Some years ago, the IRS compliance chief speaking at a CPA conference told us explicitly: we will impose preparer penalties if you guys take an incorrect position based on OUR incorrect publications, because you should know better. 

Also with the brrrr strategy will I get a DSCR loan to pay back the personal loan?

Most of the bigger companies will turn it away due to level of danger and blight in the area.

The rental profits from your own property will be schedule E (lower tax), the profits from your property management company will be schedule C (higher tax).

I dont think I will get into the short term rentals or air bnb.