This house has an FHA loan that I can take over and all in it'll be 2k/month. however, the amount left on loan is 310,000 at a 2.75% rate. so, if I did 590,000-310,000 I would have to come up with 280,000.

Yet, I barely survive thanks only to the pandemic era low interest rates and tax abatement.

In my opinion flipping is rough right now with 7% interest rates.

I mostly want to understand how do I go about figuring out the demand / vacancy rates for MTR before investing in furniture etc on my property.

Almost every house I look at has rental rates that would be equal to or less than what the monthly mortgage would be.

It may require more capital and harder work, it all depends on how bad you want it.

The pricing will depend on the room type use select and the number of occupants. 

You could also do a simultaneous closing of a fixed first mortgage as a ‘cash out’ refinance and piggyback a new investment property heloc for future use..although the heloc rate will be stronger on the primary.

We have numerous products in New York for 30 year fixed rates on 5+ units, would love to get on a call to see how my team and I can assist you.

It will depend on the owner and park management what you can and cannot do.Regarding renting to section 8, it can be done.