What you will find is they typically appraise for far less than the hands off cost to add the ADU.  

Mortgages for LLCs with personal credit under 680 are tough and expensive, and under 640 are typically not really economically practical for the borrower. 

These properties typically do not have rent growth that keeps up with inflation.  

Spreads between conventional loans are typically 100-150 bps of the loan amount.

DSCR loans typically take 21 days to close.

I’m planning to relist the house around April when the market typically picks up.

If this is the case then typically you only have to comply when you make alterations.2.

I would set up calls and then sit in and listen, every day, typically a few times a day for around 6 months.

Condo's are usually on the cheaper end of cost for appraisal reports, typically not $750 (but if it's a high end condo or in an area with there's some complexity, the fee can reflect that). 

Typically, this results in the loss of hundreds of affordable housing units.