Most companies stake out a place for 20-30 days.Otherwise, you may want to install motion sensors, automatic timers, an alarm system, or cameras (live or fake, but either way a deterrent).  

We use our scoping skills and bring a camera and 12 inch ruler, checklist and notepad, pen, flashlight, and disinfectant wipes. 

I still need to play with the camera settings and go back for more photos, but, you can see below a reminder of why we have a No Pet policy:This is what many years of "doggie diapers" at the end of the hallway look like ... yes, the yellowish and brown areas are urine stains.  

." - tight camera shot, fade to black.For us investors, SURPRISES SUCK.

Yeah and the threats he made on camera. https://www.youtube.com/watch?

Owning a security company, I put an alarm and camera in the property to monitor arrival/departure time as well as a camera to view general progress.

Be sure to get and keep a copy of the license and pictures of the applicants as part of your application process; a scanner or digital camera could be used.

Do you have a great camera and love taking photos?

The job description would includeAll "non-license" based maintenance work which includes, changing bulbs, paint, cleaning, toilet clogs etc.Landscape maintenance (May be snow removal, not sure yet)On site human security camera (just look out for any unusual stuff and report).What am I missing?

Then the drain service ran a camera through the line and found that the main line, going into the street, was broken beneath the sidewalk.