In addition to the eight (8) factors laid out above, failing to pierce the corporate veil in this matter would create an elementary injustice and fundamental unfairness.

I am assuming that these expenses should be factored into your budget prior to calculating your cash flow.

Lots of factors to take in when picking a market.

I was told that one of the most important factors is the deal.

Protecting your asset is sometimes a  factor in an upgrade.

Most likely you will need to factor this into your purchase price when making offers.Thanks.

There are other factors that determine what they will pay for your unit and the family who applies. 

ADUs can significantly enhance your property's value by adding living space that can be used for rental income or as additional living quarters for family members.The increase in value from an ADU can vary widely depending on several factors such as the size, quality, and functionality of the ADU, as well as its integration with the main property.

With the cash out refi it would be the same you would just factor what you would cash flow with the new monthly payment. 

In my experience, physical evidence like this has been a deciding factor in cases like yours.Consult an Expert: Even if you plan to handle the hearing yourself, an initial consultation with a real estate attorney could be invaluable.