Since it is going to be a rental, first concentrate on any items that need maintenance immediately that prevent it from being rented now (creating cash flow)(including all parts to be working, such as HVAC, plumbing, electrical, etc.). 

To increase your expertise, make use of internet forums, seminars, podcasts, and books.

If your buddy is a realtor and you're partnering then let him pull the comps and you concentrate on the other part of the process, finding and getting the properties under contract. 

I was purely going off of some stats on the internet (https://www.city-data.com/crime/crime-Eastpointe-Michigan.ht...).

Allows users to ask questions and receive answers instantly based on comprehensive internet data2. 

But talk to a lawyer, not the internet. 

They could, however, cost more up front than house hacking a single family home.Look into local programs in your region, speak with lenders, and utilize internet tools to locate down payment aid programs.

If you do an internet search, you'll probably find warnings about refinancing around a 1031 exchange. 

I really can't find any written information on the internet or otherwise that gives an overview of exactly what an MTN is and how money is made from dealing with them.

Not sure if the answer isa) nothing I can do about it, b) put a wireless water meter to help detect leaks on it (how does this work for a rental where the internet is theirs?)