A quick search on the Zillow map with the above method shows no less than 25,000 properties listed for sale by owner & others in the US.

As a result, my primary duties were to determine (often through specific communication with the direct local municipality or planning individual) whether a property could be utilized as a vacation rental. 

Population officially growing per US Census Bureau, even though their methods are archaic, beat out Miami for highest appreciation last year and there's over $4.5B in investment happening in major projects.What do you think all this means?

There is so much noise out there that is often incorrect.Tip #3 Invest for the long run, it is safer and builds wealth.Tip #4 Be humble, always be willing to learn, and never let your ego stop that.Tip #5 Sales skills and communication will have a greater impact on your success than any other skill.Bonus Tip #6 Stay positive, no matter what happens.

Beyond the usual maintenance requests and communication tools, are there any innovative technologies or apps you've implemented that have significantly improved the tenant experience?

I believe the BRRRR method work best from what I’ve read.

I feel my current method is working me too damn hard but it is working and moving me in a steady upward direction...    

He insisted on micromanaging them and communicating with them himself, put them on "payment plans" that resulted in them getting even further behind, ignored my suggestions to serve 5-days, then looked at his account one day and realized just how far behind they were and that they would need to be evicted (we've already been through one - a few of them I was able to get on track), and blew up blaming everyone but himself.

Innago does everything that we need it to: communicate with tenants, listings, applications, leases, maintenance requests, invoicing, and rent collection...

We specialize in the BRRRR method.