Who needs stuff anymore when your smart phone is a flashlight, GPS, calculator, and computer.

“It doesn’t change the published price,” however, and therefore does not affect area property values.Opendoor uses a smartphone app to allow potential buyers to tour its homesDigital locks allow anyone with an Opendoor smartphone app to tour a home with or without a Realtor.The app unlocks the front door, and tours are allowed between 6 a.m. and 9 p.m.Realtor Katie Tarpley, with Better Homes and Gardens Real Estate Lifestyles Realty, toured the Livery Drive home with her customers.They liked the home and made an offer, she said.

@Andrey Y.You may even be able to install a Ring Central app on your Korean based smartphone so you could get calls anytime, and not just in your barracks room on WiFi like I mentioned before.

They have something like 40-50% of the US smart phone market. 

Does anyone have a recommendation for a rental management app?

Yes, Uber, Lyft, Tesla, Amazon, several smart phone companies, AI, Nest, Visa... and tens 1,000 of these companies are all here.

Everyone has a smart phone and there are plenty of ways to connect face to face or face to property in real time.

Plus the mat should help keep the house clean during showings.I should of mentioned that the security system is a one time expense of about $75, doesn’t require monthly payments, it simply sincs to your smartphone and nothing else.

They were nifty 10 years ago but with the advent of smart phones and online web portals, they don't offer nearly enough in my eyes to justify the cost. 

However, some of that work is work you can mostly do from a smartphone lying on a beach.