However, I feel my new challenge right now are high expenses with these class of properties Im buying.

If you have the stomach for it, it's a very rewarding business but sometimes it can be scary, disturbing, challenging & sometimes down right disgusting.ENJOY!

Learning on your first property will be a challenge, but having to deal with bad tenants will make it even harder. 

We also buy very unloved buildings under the assumption that we will be gutting the building and replacing almost everything ... so typically do not bother with engaging an inspector or engineer unless we see something out of the ordinary (in a bad way) or we are having a Phase 1 done.However, in the beginning before we had acquired our present level of comfort and experience, we sent an inspector into most buildings ... if for no other reason than to provide input into maintenance and renovation planning.

But I also had the challenge of needing to educate them on the value of their building.

I believe the challenge will be finding a property that has an acceptable cap-rate.

It was around the end of September when Scott at Bigger Pockets announced a 90 day challenge.

I think the bigger the property the more professional you need to manage it, this could be challenging if you cant figure that out. 

13 Things to Consider When Looking For a Rental Home in GermanyMoving to Germany can be an exciting, challenging, and interesting experience for expat families living here for the first time.

It can be challenging At time dealing with the city but not impossible.