When I got there nobody was home so called/texted them, both their phones are turned off.

If you want to send me your phone number or shot me a text when you’re free, I’ll call you .

BUT, since I have started automating my rentals, it's easy for me to install a smart Smoke Detector and see it's status on my phone.Here is a snapshot of my phone showing the smoke detector indicating it's clear:Is it high Tech?

Phone call, mail, email etc... 

When you speak with this or other neighbors, try keeping your phone in your pocket but using your phone's "voice recording" app feature and record all conversations.

I think I would want to start with a phone call and email citing my concerns and give the tenants 7 days to correct the issues. 

Make sure you track each mailing and list separately through a custom URL and landing page and or phone number so you know which performs best. 

Met with the owner through a phone call. 5 months of lunch dates and negotiating we closed the deal.

Yes, it is important to follow a very simple rule: before wiring money, call the person on the phone and verify the instructions came from them.

So, if sellers are human beings with real emotions and real lives, why in the world does every Lead Generation Company, Cold Caller or VA think they can decide if a seller is motivated in a 5 minute or less phone call?