I would recommend using Ring. 

We did install a ring video doorbell and ring video which helped with a sense of security for the tenants.

Most of the true small 2-4 unit buildings are located within the urban core, however there are pockets throughout the inner-ring and suburbs that have small multi-family developments. 

It needs a new ring or seal to stop the water flow.Pipeline Realignment: The leak has affected the pipeline that connects my bathroom floor to my neighbor's ceiling.

Things found in septic tanks:Jewelry, rings, watches, necklaces, braceletstooth brushestoysballsunderwearbrass door knob....

We have a Ring security system with outside Ring camera.

Mail was sent out and phone calls started ringing in this week.

The tenants love the fact they can monitor everything in their apartment through an app too.The other building I am trying to save a little and using Ring doorbells, ecobee and Yale YRD256 Assure Lock SL as a deadbolt.  

One of the camera batteries was dying so I didn’t want to drain it completely by repeatedly checking the rings.

This is true across most all asset types and classes.Best way to get deals is network with wholesalers, agents (yes you can get deals from MLS) FSBO, foreclosure sites and auctions, craigslist (yes every once in a while) and market consistently.More importantly you need to follow up on all leads 3, 6, 9, 12 months and beyond.Answer the phone when it rings.