MTR and Section 8 are very different niches with little in common so it's very difficult to provide advice on your question.

There's literally anything and everything, so to compare it to other good markets for house hacking is difficult due to the fact that other 'good' regions usually come with less job options and therefore in my mind are less secure.

There is exceptional volatility in politics today, making it very difficult to lend any direction of prediction with any level of accuracy.

It is one of the more difficult processes to perform when taking over a property, raising rents, not causing distress for the resident base. 

We also have absolutely insane tenancy laws designed to protect tenants and make landlords' lives difficult.

I'm in the Stuttgart area and what I have found so far is that it's difficult to get any positive CoC because rental rates are so low compared to purchase prices.

, but very difficult to DIY remote manage.

The path of gentrification is difficult to predict.

While most tenants are great, occasionally we come across difficult ones who create challenges like frequent unjustified complaints, non-cooperation, late rent payments, or lease violations.

Some of the ones I've talked to are in really bad situations and being held hostage by their managers who are making it so difficult to get out of their contracts which is forcing them to drown.