Those investing in Class A neighborhoods will have a problem because no one will be able to rent them as time unfolds, Mean while those invested in Class B and C will have people moving up and people moving down the economic scale of prosperity, and the Class D neighborhoods is going to explode.A truism statement said by someone I don't want to google is "Those who do not learn from history are doomed to repeat it" if we learned anything from the industrial revolution in the world it's that when technology makes people unemployed there is a tipping point where desperate people go nuts and do unreasonable things that cause great damage to local business (and oddly enough not just the ones who put people out of work... it's always the little guy who bears the bruises of big bothers selfish actions) but history also shows us that the people who became wealthy during these times was always the guys and girls running boarding houses that made out like bandits. 

The Phoenix Metropolitan area has a diverse economy with key industries such as healthcare, education, finance, manufacturing, technology, tourism and professional services.

The number one question we never hear but always bring up is: how can I better utilize technology to efficiently maximize my tax position?

Don’t be afraid to use technology, but even the 21st Century doesn’t have great, easy to use, and effective replacements for physically visiting and looking things over yourself.See the original at: https://www.biggerpockets.com/blog/rent-collection-method

I'm not speaking from experience, however it is getting a lot of attention.https://money.cnn.com/2017/11/09/technology/facebook-marketplace-housing-rentals/index.html

If you have all the cool technology and the other twist a credibility pack might push a some what motivated seller.

American solar technology companies are hanging there with layoffs here and there.

The 2 builds are going great with a modern look and indoor pools.

There is no technology that can replace actually getting out and seeing houses with your own two eyes!

couple that with the EXTREMELY  low rent to price ratio, means that only old people who don't have access to technology are better off buying real estate in Germany.