Inspect appliances for age and condition,and look over the flooring for any damage.For tenant considerations, evaluate the unit layout for functionality and storage, and check for safety features like smoke detectors and secure locks.

They will check for everything to ensure safety and habitable. i.e. doors/locks, lights, detectors, windows/screens, appliances (stove with anti-tip plate), hand rails, wiring in the unit and in the basement, lead paint (if children).....etc6.

Every meeting there are giveaways like smoke detectors, CO detectors or gift cards for Home Depot. 

Try to anticipate other potential avoidable situations with a follow up inspection to assess the Locksmith’s work and ask your tenant(s) if you can also use the time to assess for other issues such as unchanged HVAC filters, leaky pipes, working shutoff valves, working smoke detector batteries, properly working downspouts, clogged dryer vents, evidence of water damage from leaking roof, etc,etc,etc.

Smoke detectors are two screws and a batteryScreen door could be tricky depends on if screen just needs repaired or replaced. 

It's a good idea to schedule your own safety inspections, including checking for smoke detectors and carbon monoxide alarms.3.

Such as unplugging smoke detectors, flushing things down toilet not meant for the toilet, etc...

Compliance items such as adding smoke detectors, hand rails, fire resistant garage entry-door and new stairs outside.

I believe they are expressing their displeasure with the fact that I have not accommodated some of their recent requests that went far beyond the scope of what is required (like insisting a licensed electrician switch out a smoke detector when we could do it ourselves) and I had to set some boundaries after years of high maintenance for them.

Broken glass lantern by the pool, smoke detector hanging in hallway, broken ceiling light in the bedroom, face plates missing or missing screws.