For example are people migrating into or out of a market or maybe a LARGE employer leaves a market.

Check out this article: POPULATION GROWTH IN THE LARGEST COUNTIES: TEXAS, FLORIDA AND THE SOUTHBrevard County ranks 18 in growth in the country and 4 in domestic migration.

Top shelf neighborhood (this is where many of the higher income Dayton folks that have left the city have migrated over the years - and there have been a bunch) Rented immediately for $1,850, put on a 2 yr lease since from a distance I don't want to renegotiate as often.

For instance one of my clients I brokered a 82 unit class B property in Portland Oregon 11 years ago.. he paid 5 million cash rolling out of a 1031.. he hired professional institutional grade management who manages the onsite manager... he comes to PDX 1 a year walks around the project for an hour or so. other wise its simply reading reports.. these type of properties are investments and minimal work on the owners part just like reading your brokerage statements.stand alone SFR's in different markets will have different levels of involvement.. really depends on price point and quality of tenant.. and of course you not getting snookered on the front end pay way too much for a property that was suppose to be rehabbed but the rehab is shoddy etc. then you have the low end stuff and that I can flat guarantee you is not a passive investment and not suitable for anyone that does not live and manage them themselves.. ( personal opionion shared by many though)What I see happening in this arena is many who have owned rentals no matter what class etc.. they tend to migrate into buying notes...

+Migration of middle class from expensive to cheaper markets; a significant movement of wealth+Differences in state taxes and incentives for businesses to relocate jobs+impact of technology on the labor markets and Growth of primary and secondary tech centers +Changes in the labor market to predominantly a service economy, with emphasis on technologyI personally believe that prices generally are exactly where they should be given the variables above.

The greatest wealth migration we have seen in over fifty years is now occurring.Let's rewind to December 2008 when the recession was officially announced.

May be I'll migrate to them later on when needs arise.I would advise again using pirate software.

Here's more detail on actual migration...

It seems like there's been a movement by large corporations to start in the heart of downtown, where all of the business is, and sort of migrate outward. 

In 1967, with less than half the year remaining after the summer explosion—the outward population migration reached sixty-seven thousand.