Luckily for me the state of Florida has state level protection which bars municipalities from passing new or amending their existing laws.That said, I am seeing cities like City of Saint Pete crack down and are enforcing their laws for the first time in years.  

She is transforming an existing structure into a creative studio space, seems cool, and I want her to succeed. 

I know I can easily find a qualifying tenant who will pay $1,000 per month if I don't renew a lease with the existing tenant. 

-Do you have the title report/commitment/policy?

Upgrade to a commercial-style stackable setup that can dry faster (30–45 minutes), hopefully fitting in our existing laundry closet without extra electrical work.Any recommendations or specific brand/model suggestions for handling this high-volume, semi-commercial laundry?

But ...The first thing I observed was the replacement cost portion of the quote, was, IMO, less than what it will actually cost to demolish the remains of the existing structure, pay for any hazardous waste removal following a catastrophic loss, and actually pay to replace the property in the event of a total loss, even though I used the quote feature to increase the replacement cost value by 20% (the maximum it would allow).

There are occasionally opportunities for grandfathering if there is evidence of legally established conversions that were done previously, but no permit records exist to show it was done. 

Only in community property states, can an LLC with only husband and wife as members elect to treat their LLC as a disregarded entity, which means all LLC income and expenses are reported on either Schedule C or Schedule E (as appropriate) as if the LLC did not exist.

That would be best option as a traditional bank wouldn’t do this I read that I can assume the existing mortgage.

Long story short if you are committed to house hacking the sky is the limits and there is endless possibility, it really comes down to your comfort level and where exactly you need to be in New Jersey.