I think I would only move 3 of them to software management at first, see how that goes.

Ensure you have an emergency fund for vacancies or repairs and verify market trends to confirm the investment supports your long-term financial plan.This post does not create a CPA-Client relationship.

Software is a common question on BiggerPockets.

You can keep track of which expense goes to which property through your accounting software (even a spreadsheet would work).  

Are you using any specific software for scraping or gathering off-market leads?

I don't use any 3rd party software. 

At a bare bones minimum, the letter confirms the start/end dates of the lease, monthly rent, paid-through date, absence of any prepaid rent other than the current month, and security deposit amount.Better, it will include statements there are no unresolved claims or disputes or repair issues with the current landlord, and no verbal or written side agreements.Better yet, it will include a copy of the tenant's lease, and a confirmation the lease is a true and correct copy with no amendments.

During Buyer's title search, it was identified that there is no Certificate of Occupancy (CofO) for the home confirming it is a legal 2 family. 

I have confirmed what @Garrett Brown shared -- my best option is an SBA disaster loan with a lower than normal interest rate to pay off our mortgage and then I can also hope for / pursue with others a land buyback program for those of us who have floodplain property that FEMA won't reinsure.

If you don't want to use an attorney, you can make an LLC through the secretary of state website https://www.ohiosos.gov/businesses/information-on-starting-a... or other software platforms like zen business and rocket lawyer.