Cameras showed it was the pest control person.  

I hope you reported it to the police, if not, you should file a police report and also install cameras because there's an influx of squatter's taking over people's properties recently. 

From our experience best practice has always been to have exterior cameras as well as smart locks.

I like to use my computer to upload and organize my receipts typically, but that is because I typically have "scanned" receipts to my google drive from my phone camera. 

You need to stay strong physically and mentally, and I sincerely hope you will figure a way out.If the property is located in a not very safe area, at least try to install some security camera system that works when you are not there.

Invest in a security camera—we had a break-in where someone lived in the house for days and stole appliances, which insurance didn’t cover.

However I now follow Larry McMillan's Daily Strategist Newsletter and it accomplishes the same thing for about $350/mo.None of this would have happened if I had left early like 80% of the people...and if i had not taked advantage of making note of the additional resources.On a side note I am still waiting on that "Free Camera" the Rich Dad team promised me for attending the weekend Boot Camp. :-)   

Alternatively, you could skip the cameras and post signs everywhere (and in your marketing) and just claim you have cameras.

We're looking into camera options to monitor vacant properties being advertised for rent. 

He is usually on camera letting his students watch him set up the deals.