There are rules to follow!

Fortunately the rules have been "modernized," which is kind of a rich NLP technique if you ask me. 

The restrictions vary by location, but they can impact guest satisfaction and demand.

No, ok, rule in your favor.

The most important rule is to have the cash flow of the new property be able to pay all its expenses, mortgage, AND the line of credit back.

Hey @Joel Oh, so let's clarify the NYC rules around STRs.STRs are legal in NYC as long as these directions are followed."

Now most of the time we don't see househackers/investors use in-house or portfolio loans from banks because sometimes they have more restrictive guidelines and higher fees for holding it which might cause the numbers not to work or for the deal not to go through entirely. 

You can still easily find the 1% rule and positive cash flow and there's amazing appreciation potential.

Proc. 2002-69, 2002-2 C.B. 831, for special rules applicable to husband and wife state law entities in community property states.

I wouldn't rule out a duplex as we have far more duplex properties than quadplexes.