I've looked into many systems; however, they seem to all require wifi connection to work, which isn't possible since tenants provide their own internet.  

Poor person is much more likely to be protected by the court system in civil matters.

I have a few questions about this new system as it seems changes are pretty big. 

Great system. 

I managed remotely using automation integrations with Mailchimp, Zapier and other home automation systems, but the most important thing is to just make sure you have a great cleaners who will be communicative to you if anything looks off. 

I got a security system installed and some lights outside.

Get your systems right, track your numbers, be smart with your money, get educated.

If you ever need advice on anything, I have some great systems in place to make it more hands-off.

and remember you will have to anti-freeze your system for winter months.

Best practice for screening tenants is to come up with a system that is used for every applicant to make sure that each application is treated the same.