One factor I have seen driving the MF prices is international investors.  

You don't want to be in a situation where everyone works at the XYZ company factory and one day XYZ company decides to move their operations overseas leaving 60% of the town's population unemployed.Read reviews.

There is a group that meets at the Old Spaghetti Factory every last Tuesday of the month at 6:30pm.

I really think how long it lasts depends on a few factors, mainly how it is cared for, (assuming the  re glaze was done correctly) as Ryan Monier stated using harsh chemicals will definitely accelerate the life expectancy of the finish, as lets face it while it is a great option, you still cannot compare it to  factory baked on finish. 

What contributes to this factor is the end game of each individual.

I am sure you can make money investing in Killeen and if you can get a long term tenant you are golden there but it is an investment that should be looked at as mainly cashflow grab even with high vacancy factor.  I

Your controlling factor is what is still owed on the house - if she's already cashed out before and still owes 50, no one can make any money on this house and she'll have to sell it to someone who wants to live in it or rent it out as-is. 

The hands-off factor is a big deal to me, I might do a little paperwork if it makes sense to.

I'm going to try this list 1-2 more times (i'm having postcards sent out again this week), and if i don't see improved results then i'll be changing things up and putting a list together centered around divorce and default (i don't want to deal with estates and i wouldn't know where to start with the disaster factor).  I

The time factor is a very interesting question and I do think about it a lot.