I am not worried about the integrity of the structure, but will the bank require this to be fixed?

Yes you can, you would be required to occupy the property for at least a year.

30 year fixed, low interest rate DSCR BLANKET loans (put multiple 1-4 unit properties under one loan for cash out or for purchase).Ground Up Construction loans for aspiring developers with NO Experience100% Financing on Fix and Flips (just pay closing costs and prepaid taxes/insurance)Fix and Flip financing that requires no appraisalHELOCS on investment propertiesBuilder's Forwards (for medium to larger developers who want to hedge interest rates on their properties they plan to sell so they can offer "low builders rates").DSCR loans for long term AND short term rentals (I think this is becoming more and more common, but some people have still never heard of this).And so much more!  

I don't do physical work on the property, but I do detailed design plans, and select and buy all the materials.

Also, because there is a seasoning requirement for refinances, you'd generally have to wait 3 months before you can refinance.

In regard to him not completing the section 8 process, am I allowed not to fill the paperwork required for him, and pursue the eviction?

Do DSCR lenders require the 20% down payment like traditional loan products.

This is the same things as bandit signs, or any other form of marketing that doesn't require you to go and cold call or knock on doors or run ads/PPC.

You will be using FICO and Rent/PITI to qualify (no income, tax returns required).

.: There is no legal requirement to respond to her threats.I highly recommend you hire an attorney and get rid of her.