Median existing family home prices hit a new record.

It offers possibilities but needs some tech, and business savvy.

But it's unclear whether any additional help beyond already existing funds will be forthcoming.

The DOT is finally getting data from cooperating corporations.

Network effects are likely to start winnowing the field and forcing selloffs to larger competitors.

Demand triples year over year.

Shifting from one set of states to another, the movement could inform strategies.

They're popular, but some inherent drawbacks should make investors cautious.