As of now, the property has been abandoned for several years but has been kept up with from a 3rd party property manager. 

The property is not abandoned.  

I took a ton of pictures, and texted the property manager who said she'd be out days later.We worked, cleaned, but did not remove any of the abandoned junk.  

Yes, sometimes you have to know when to abandon a sinking ship, but then there are usually other factors involved with that particular investment.

Do you recommend filing a quiet title or an adverse possession when the owners have passed away including the only person listed on the deed or will of the abandoned home dated back in 1970.

That being said, I am abandoning the single family homes for now and looking into multi-families. 

There is a home in my subdivision that has been abandoned for a couple of years now. 

That could be as simple as an option to renew/extend with pre-determined rent increases, for example.My concerns are several: why would you be willing to abandon your game plan and tenant criteria for an anomalous tenant prospect?

It occurred to me that while I’ve been driving around, I could also start “Driving for Dollars” and take note of properties that look abandoned, and send letters to the owners.

He has a portfolio of properties that he has abandoned.