Room to Move

In the future, real estate agents need not fear unemployment, not ever. In fact, they will become an independent species of human, probably the dominant strain, running rampant through the galaxy and handing out their shiny brochures. They'll be impossible to eradicate, and all economic power will be controlled by their mighty interstellar guild because:

Astronomers report that there could be as many as 40 billion habitable Earth-sized planets in the galaxy.

http://www.nytimes.com/2013/11/05/science/cosmic-census-finds-billions-of-planets-that-could-be-like-earth.html?_r=1&

So pick a quadrant, any quadrant, and invest now. Best to get in early and buy before the prices skyrocket. So what if the planet is on the seedy side and needs a little renovating? Be a winner and grab yourself a continent or two. Or nab the whole darn thing! Location, location, location. You'll be sorry if you don't.