Texas is a little unique (for an out-of-state investor) in that you pay sky high property taxes but don't get the benefit of zero state income tax. 

City-data.com is great for various data to add to your list of stuff that's useful before visiting (or after)When there, drive around obviously :)Line up meetings with contractors and ask things like: what building materials and/or codes from your experience are unique to the area? 

I think you'll be more likely to find a way to help someone if you're looking locally (somewhere within reasonable driving distance), unless you have a particular unique skill set which could be applied at a distance.

Finally, much of the Canadian market, and I understand that is global however it offers a unique perspective, has not experienced a correction in 15 years.

Have there been any unique challenges related to owning a property in this type of location?

Hello, I am kind of in a unique situation when it comes to investing.

You have demonstrated a unique ability to learn quickly.You also seem to passionate about Real Estate.If that's the case and you are truly committed to becoming a full time real estate investor,  I would encourage you to move forward in your endeavors with becoming a quantified real estate investor.

Detroit has many unique neighborhoods and obviously some are much better than others.

I recently had a case where this wasn't put in the entity and in my management company name and it did cause some issues since we were on record for filing the eviction, only because it was a unique situation using different representation. 

These are just a few issues unique to Chicago southside that I see daily as other peoples pain points with other PMs in the area.