Could it even be advertised as a benefit to the tenant, by giving them access to use the app for their own safety and convenience?

Also look for any damages.Document with cell photos and take those to the closing table.If not, I would refuse to close until those situations are remedied. 

That includes TV, Doritos, pop, cell phones, name-brand clothing, etc.

There are valuable plugins (think of them like Iphone Apps) that allow you to insert data in a pretty way.

It's an unwired system and works over cell signal, so there's no need for phone or internet service to be on at the property.

Some people can’t handle it.The cell reception was awful, but there was unsecured wifi.

I used to use Podio (free) but integrating other commercial apps/utilities and keeping them working can be a chore at times.

You can also find REI groups through the Meet Up app.

We have used spreadsheets and a few different apps to try to keep more organized but every year we keep accumulating more properties and we are trying to find some kind of software that we can do the property management and all of our books for the company in one program.

@Christina Linn yes they are public in my state, i noticed most sold properties even show the price it was sold for in apps like realtor and redfine.These types of researchers that a lot of real estate investors talk about is what i am trying to learn step by step.I can go through a street in my town and see houses valued around 150k and some that are below 100K and which and a lot of houses are for sale so what kind of market i am in ?