It's what hotels and some Airbnbers use when naughty guests smoke in the property. http://www.ozonesolutions.com/journal/2009/how-does-ozone-remove-odor/

****************************Property Investors Follow Millennials to the Hot Mountain States Wall Street Journal By  Konrad Putzier  Nov. 26, 2019 7:00 am ETForget Brooklyn and San Francisco.

They may have a cell phone but that's all they use it for is phone calls and maybe pictures. 

They have multiple points of contact and I outlined them for them in cell, emergency cell, email and home address.

It seems crazy to have two separate cell phones and accounts for this.

Alas, it is 2014 and such rituals have been replaced by less grisly formalities: the attorneys unsheathed their cell phones, unleashed their silver tongues, and spared toward a civil solution.To add more detail, the seller’s agent told @Brie Schmidt  that the tenants are not to be informed or “tipped off” by us as to the (alleged in their eyes) toxic mold presence in the unit.

I never arm them, but I use it's notification features when my STR is not booked and it notifies my cell within seconds if a motion sensor or door is opened. 

Currently, I use part of the rent excess to pay my monthly car note and cell bill.My potential partner is successful in the CO concessions industry but I am not too how savvy he is in REI.  

Also, would Journal Square a good option to consider? 

Can you hit me on the side with your cell?