This will erode equity and there is no easy way to know without discussing with the borrower since the deferred principal is agreed in a loan mod agreement which is typically not recorded for public review.

@Matt SterlingHonest question for you, and you don't have to answer it publicly, but it's more of something for you to think about.Apparently the seller is clearly ok with this sex offender renting here. 

@Jesse BellavanceThere are a million good sources for data, and it's definitely a personal hobby of mine to run different kinds of analysis on less than normal data sources.One that I have liked recently is: https://k12.niche.com/Sadly they do not have a publicly available API, but you could still crunch small data sets or use a scraper to gather school district info based on zip codes.Charlottesville is a great area.

Sales info is generally public or can be obtained from a Realtor or website.  6-7-8-9-10 times rent and now they are trading at 15 so maybe the market is overpriced or maybe knowing market players are anticipating strong rent growth.  

Watch the borders of Paterson, and try to stay on Public transit lines for the best bang for your buck.I stand with @Darren Sager on Newark, Irvington and East Orange.

In between our houses is a wide public road. 

For good reason, once they publicly reveal their technique’s they are splattered over the internet by the “gurus” who want to sell another training etc.

When the bank who owns the mortgage forecloses to remove the title owners name - it will be recorded as in rem judgment and will be recorded in public records which will damage your credit.

Especially considering the fact that most of these deals are sold via PPM and cannot be advertised to the general public. 

Renewed leases with several of the tenants.For Hawaii, I did the same thing -- pull up credit report, look for public records, check references.