(Bigger Pockets will not allow me to share those statistics in this forum)However, the question you pose above is different than that - You asked what would happen if we funded a deal for you and it went into default.

Here are some statistics to consider:Baltimore lost population last year as more than 5,300 people left the city, continuing a downward trend with a decline of about 6,000 people from 2015 to 2016. 

I believe that statistic  

But statistically, a positive net migration means you will, all things being equal, have a better chance to rent a property vs. a negative net migration. 

Its only a statistical representation. 

If you want to look up the original article, which has links to sources and to other great resources, (I can't link as per BP rules) the article is called "33 Real Estate Statistics That'll Change Your 2019 Strategy" - by Mike BlankenshipGeneral Real Estate Statistics In 2018, 5.5 million existing homes were sold in the U.S. 

Are there any statistics on this?

Statistically speaking, you have a high chance of facing a lawsuit with that number of units of the next 10 years.

A lot of people cut their teeth on house hacks and single families etc and grow till they have a war chest to make bold moves. 

Do not let statistics of others determine your success in anything.