Make sure to ask about including errors and omissions policy, then if something happens like a software malfunction, etc. and you cost the homeowner thousands of dollars, you have insurance to cover that.Safely or Waivo are nice to have as well, they cover damage from a guest including sheets and towels, and I think also thief.

Timely fixes, like repairing leaky faucets, replacing air filters, and addressing small appliance malfunctions, maintain the property and create a positive living environment.

Between breakdowns, leaking, auto shutoff and program malfunctions it was a thankless experience!

Are you shouting at all of the people that want to help you or is this a keyboard malfunction? 

I am not able to get the water turned on for my own inspection so I was wanting to see if other investors would Plumbing: "water lines tested and would not hold pressure, the main line from the tank is malfunctioning and allow air to escape."

They are Not responsible for someone's washing machine inside their unit malfunctioning......and it is Totally unreasonable for you to think they should be.  

Malfunctioning meter.You can rule out #3 by asking your PM if there have been any showings of the property around the dates of the high water usage.

I neede this work done so a new furnace could be installed, as the old one malfunctioned earlier this week, leaving me with an occupied property that had no heat.

Ask the tenants if there's anything that's broken, malfunctioning, or needs maintenance attention.

I personally would leave the current mower with the new tenants (and to have verbiage in the lease that holds you harmless for any equipment malfunction etc.).