Most of the failures I’ve seen when investors attempt to “scale” a non scalable business result in only moderate losses and temporary setbacks.

You would have to go after the one individual for non-payment and you could only remove the other three by going through the legal process like you would for someone on a verbal agreement, which puts you in a he-said, she-said situation. 

There are some public sources (www.city-data.com) that can provide good baseline information.

Turns out the theory was right, but the decline has been even steeper.You might be able to predict whether a future market will be better or worse than the current one, but predicting how much worse or better is nearly impossible.And don't even get me started on how sponsors could be manipulating purchase cap rate, whether intentionally or unintentionally, by reporting pro-forma caps, non tax-adjusted NOI, and so on. 

It can potentially be deductible as an ordinary or rental expense, an itemized deduction or simply non-deductible. 

My wife and I have obtained three traditional loans and one lease with the option to purchase, resulting in most banks turning us down based on debt to income (non-portfolio lenders). 

Most non-qm loan products will never have a 95% LTV due to the inherent risks associated with these type of loans not being traditionally backed by fannie or freddie (investment banks).

You have to find the areas that are either zoned for Hotel and Resort or have NUCs (non-conforming use) certificates. 

Also massive cuts to government spending that support recovering economies would not be good for that city.

Most of my renters are nurses, engineers, and tax payer funded employees (Government workers).