Note if monthly rent is 0.5% purchase ratio, the property tax will be ~20% of the rent.  

Ask for higher security in person have them back out on their own if they still want the place you will be safer with more security

* What do you do to ensure that the tenant is responsible for security deposit disputes since that is the largest reason for owner lawsuits* How familiar are you with the newly changed laws that can affect you the owner if they are not used correctly?

I’ve read quite a few posts about foreign investor financing but most seem to deal with non-citizen investors without US credit or personal tax filings.

Keep in mind tax's.

What's more, the PM should have gone over when the unit was vacant to make sure it was secure (and lights and taps were turned off). 

Stationed there almost three years, sold with profit and tax break for how long we lived in the house.

And yes I have done one in 50 years in the industry.Facts:1. purchase contract and gave 50k up front to bring tax's current. 2. it was all cash no contingencies.3. seller just goes dark no response to anything.4.

-Decreased security deposit to 1x for MTR.

You want to make sure the seller is getting their fair side of the deal but especially from a tax perspective, there are ways in which you can make it very lucrative for them.