I also run a finance blog with general information and tips called mindfulmoneymatters.com  

LoriI have purchased just under 50% of ARV or as high as 80% but it's a fine line..... none of us need practice doing a deal for free.  

That agent who allows you access could be risking a fine or suspension of services with their MLS. 

State of Oregon on a regulatory side is a very persnickety state I got my hand slapped by the division of corporate securities a few years back you can google it.. and had to pay a fine.. but went on to do my thing.. my excuse that my attorney told me it was OK did NOT FLY so I paid a fine and off I went..

I'm getting ready to do a final walk through as well.  

That will be a fine cash flowing investment worth holding on to when you get reposted next time.Some people have made it work when relocated with the military, such as @Elizabeth Cosgrove. 

To address this type of issue in the future, could you possibly impose a fine when the tenant makes no contact and does not have substantive proof of absence?

Fortunately, as a finance professional I've always found financial planning to come easily, and now just lean on my CPA and attorney to fill in my missing gaps of specialization where needed.    

My biggest issue now is developing a finance strategy.

Probably a fine line with the law here and I don't know what is the legal way to handle it.