This is a significant down side to me as a long term investor as it basically wipes out your cash flow. 

Here is a video that runs down the basics - https://s-media.nyc.gov/agencies/specialenforcement/01-Legal...There is also a prohibited building list - https://www.nyc.gov/site/specialenforcement/registration-law...Here are some more info overall - https://www.nyc.gov/site/specialenforcement/registration-law..All of this makes STRs in the city pretty tough but it certainly not impossible.

I guess I learned about Key Check, I was not super impressed, but it worked for the basics - it did not deliver income info, which I usually want to see. 

The guy I signed up with basically knew nothing more than me filling out the application. 

If it is a emotional support dog (basically a pet with papers they buy online, mostly to find a way to get a pet into a rental), ask for documentation from a local medical professional (NOT anything online). 

Please note the information provided below is a layman's definition designed to provide a basic understanding for the general audience.

It’s an attached HPR, basically a duplex that is zoned as two single family homes.

You are basically asking how to wholesale, but that's too long of a question to answer.

Basically, flip partnerships suck unless you spend a long time being clear about the roles and payouts, etc.

Thankfully I have no property in NY.I loved this quote which shows just how clueless people are about housing issues:“Housing instability is at the root of so many problems facing our city, such as exacerbating homelessness and hunger, failing to meet our children’s educational needs, and undermining public safety,” said the CWTU in a statement.