They'd also probably be more aware of how much water, gas, or electric they are using when they have to pay the bill after each cycle.  

If you think there a leak have all tenants not use any water and find the water meter outside.

My cleaners take a video after every turn, my team goes in to check everything is good after cleaning and record salt and PH level logs and I have a licensed plumber who is in charge of maintaining plumbing, water heater, and boiler system with logs.

A buddy of mine just built a duplex on the water in Placencia

Just starting out and testing waters for BRRR in Chicagoland area.Any advice or suggestions regarding this?

Maybe the P trap under the sink is not filling with water correctly and allowing sewer gas to come back in.  

The Only other deductions that I have right now are $154 for unpaid water bill, and $45 for the minor repairs mentioned (doorbell, blinds, shower).Questions for the group:Does $540 seem excessive for a cleaning charge, given the situation?

With that in mind, you'd also have to make sure the land you'd buy has water and electric running to it already.

Their home has been vacant for over 4 years and is uninhabitable as the city water dept cut off service due to a faulty septic system spilling sewage in both our backyards.

As far as features, Rent Redi obviously blew everyone else out of the water.