Ask local investors/realtors.I have found this information on the county website, but not in list form, so it's a pain to get something meaningful.The bottom line I got was being persistent. 

Usually the more units the better because multiple units is less painful than just one on a vacancy.Good luck to you!

I did not feel comfortable with the plan and therefore took a personal loan and travelled to NY, USA where I received professional health care and from here I send my gratitude to the people of NY specially the professionals who helped my fight cancer and get rid of it.Regardless of all the pain associated this dramatic event, there are aspects that we can hold on to in order to go on with life.

See if you can solve those owner's pain points and get a property under contract. 

I can tell you from painful experience a 100 old apartment building is going to cost you more money and burden your life with tenant calls  far more than one that’s only 30 -40 years old .

The key to all of this is to get them talking about their"pain" or their "desire" and that to get to the point the pain is gone or the dream is realized, its better to sale to someone who understands.  

Sometimes its attached to the frame and can be a pain to find.

Anyways... the pain is rearl Monkey Lives MATTER!

Changing over payment methods is always a pain in the butt.

Cons:1 HOAs can be a pain and could enforce restrictions that make it tougher to rent to new tenants or sell the individual units all at once or since.2 Since this is just fractional ownership with the remaining owners owning individual units, the value & marketability of my units could be affected by the actions and upkeep of the other units.