Generally speaking, a person may bring an action for defamation when false statements are being published online, and they are suffering harm from those statements.

Available online and can tie into your phone for monitoring.  

Then check out other online guides available here: https://www.biggerpockets.com/guides 3.

As far as the tenant screening goes, i know there are various online resources, any recommendations?

I just wish I could find one that was specifically for tracking properties I've looked at on line. 

Is there any place or online training you recommend?

My last clients were friends, so showing alone wasn't a big deal.But especially in this day and age when most things are done online or over the phone until the actual showing - get information about the person you're seeing houses with.

One dude I know trades antique firearms online for a living while (currently) renting out in the middle of rural nowhere.

Or is there an online service that makes the process easier?  

Is it really any different than modify a lease or other document you get online or from an attorney?