Now to respond to the rest of your email: Unfortunately depending on the bank they might be irrational to the price they try to sell the house at.

Here's how I have mine setup, you can determine yield, APR and IRR at any point you sell in the future (formatting doesn't translate well): Performing Note Profit Projections             Original Mortgage Balance $ 70,000   Rate 9.0%   No.

I really hope we are not in a bubble but I worry about the irrational exuberance in this market..

If you look back not that far you will see the same "irrational exuberance" as in 2004 - 2008.

So maybe I’m partially motivated by fear (which, as I type, is irrational and not really a good reason to buy $300K+ of property).

Physically meet him only with another person.You also can call Adult protection / Social services and request a well check on this tenant that you are concerned he is acting irrational and wonder if he has a case worker that is working with him.Honestly,, he sounds off the track.. how'd he get approved for this apartment.. 

She said we could sell our nice house and move into one of our rentals and live of her teacher salary - in hind sight a completely irrational thought.My company wanted me to move to China, that was my cue to quit.

Now that is more just hype and people are doing it based on irrational exuberance rather than the facts.  

Boy, are we in trouble if something like a serious threat from China mixes and mingles with the political polarization, hate, extremism, white supremacy, violent protests, grievance, income inequality, poverty, health-related SNAFUs, and conspiratorial/irrational stuff that we have seen really perk up in the past 4 years....Originally posted by @Eric Bilderback:I hope you are right and you very well could be.  

@Weikang ChenFear of exposure to UDFI is irrational... and unfortunately quite common.