In general medical professionals are looking for smaller units (studio/1 bedrooms) not 2+ bedrooms- In order to understand corporate demand you should research the types of corporations in the market and figure out if they bring traveling / temporary workers to the area because not all corporations do- You didn't mention colleges but if there's higher education nearby this can also be a driver of MTR demand.

Check local regulations.First, verify that your local zoning laws, HOA rules, or condo bylaws permit renting your property.2.

First thing to do is check with the city or county to make sure the ADU would be permitted to be a STR.

For instance, in New York State, it's not permitted to collect last month's rent, additional security deposits beyond one month's rent, or pet deposits.Regarding the carpet issue, even tenants without pets can sometimes leave carpets in less-than-ideal condition after a couple of years.

As a beginner, you can learn a lot from your uncle with a few rentals in another state or a co-worker who's on their second house hack.

This is 100% dependent on the local housing authority and of course being in the Atlanta market the multiple authorities we deal with are filled with inept government workers and corruption.The question you should ask yourself is knowing what you know about the government; do you want to be in business and co-manage your property with them? 

You know how to get your permits.

Timing your permits and applications might be tricky.

Duplex have different zoning that may permit additional units.

Will I still be permitted to file an affidavit of memorandum EVEN THOUGH my closing date has now come and gone and I am technically in breach of contract?