However, since the prices of real estate are extremely high, I would try to look just outside the city. 

Seems a little extreme.  

So far so good and Marco who runs Norada has been extremely punctual and helpful as i've navigated next steps.

So everything has to be as extreme as possible.

Verifying last 2 years of rental history and income extremely important to find the “best of the worst”.Make sure you understand the Class of properties you are looking at and the corresponding results to expect.The City of Detroit has 183 Neighborhoods we’ve analyzed.PM us if you’d like to discuss this logical approach in greater detail!

As long as you make your payments this sounds extremely unlikely from what people have said.

Any advice on this would be extremely appreciated!

Go to Etsy and search for "rental property tracker," and you will find hundreds of nice spreadsheets to track 10-20 rentals, usually for under $10.Software has extremely helpful features like online payments, marketing syndication (click a button, and your property is advertised on multiple sites), electronic document review/signing, maintenance tracking, and owner reports.

I really see Columbus Ohio as an extremely safe bet for the next 10-20 years.

Extremely difficult to pass and I bet you didn't know that you had to get it reinspected again in three years.