I guess really you’re not paying it, the owners are.

The current owner listed last years income as $51,000, but currently has rents at (for the five separate units): $650, $750, $800, $825, $1125 (the math doesn't totally add up so maybe he changed a rent payment at some point). 

Most banks don't really know how to do that because they cater to SFH owner-occupants. 

The previous owner took exceedingly good care of the building and there was nothing that need to be done except to raise the rents.

Now consider this: all the groups people are spending fortunes to target—foreclosures, absentee owners, probate leads, tax liens—what do they have in common?

However if you are looking at commercial properties a lot of them will be owned by corps and then it will still be hard to find the actual owners!

Look up the rental laws in Portland, it is a NIGHTMARE for property owners.  

Is anybody able to find renters without pets and is there a way to handle the emotional support animal situation.

What are other ways to get this property with out having to owner occupy, FHA, conventional?

Go to court in Spain as a foreign owner?