Yes, this can be very dangerous, we always use a licensed contractor that has pulled the permits.  

Just the other day I saw someone had used black sheet rock screws in the hangers on a brand new deck (non-permitted obviously, and not a single lag or any flashing on the ledger board, and they painted it immediately before the pressure treated lumber had even dried out so that’s going to peal in the first year, at about the same time that those sheetrock screws start to rust lol). 

Are soft costs like permit and architectural fees drawable and when are they released?

SECTION 8 ANALYSISSection 8 Rent permitted            $1785.30Subtract Utility Allowance             - 468.00    Actual Rent Charged               $1317.30Subtract Mortgage                         - 500.00Subtract Prop Mgmt Fee               - 131.73Subtract Taxes (20%)                     - 263.46Subtract 10% Vacancy                   - 131.73Subtract 10% Cap Ex                      - 131.73            CASHFLOW TO US             $ 158.65STANDARD LEASE ANALYSISMonthly rent (asking amt

Check w/ the City / County to see what the permitting process is, and what if anything you would have to do regarding plumbing / electrical.

Network with wholesalers, check public records, and use platforms like PropStream or DealMachine to find distressed properties.Be Cautious: Pay attention to permits, inspections, and local market trends—over-improving for the area could hurt your profits.Starting with a solid plan and realistic numbers will set you up for success.

That no additions or remodeling was completed without a permit.

I am glad because the permits and requirements would have much tougher.

Duplex have different zoning that may permit additional units.

Only thing better would be initial deposit and then paid in full upon Certificate of Occupancy and punchlist complete.Of course, standard items should also be checked: licensed, insured, willing and able to pull all required permits, reference checks.I would also commonly avoid the cheapest bid you get.