Look at their calendars, look monitor for several months, and write down everything you see.

Just to add, when you move out there may be more expenses that you are not considering such as: Rental license for each unit [$63/yr], Lead cert for each unit [Varies depending on #bedrooms in each unit]Fire alarm monitoring (if needed) [$4-$600/yr]Fire alarm cert (if needed) [$100-300/yr]Sprinkler/standpipe cert (if needed)Refuse Trash Bill [$500/yr] or private trash pickupElectric bill for shared areas (Assuming everything is separately metered)Water: Most older rowhomes do not have separate water meters.

He at first refused to tell me what he was doing there and told me that it was the landscapers harassing him.Finally, after about 10mins, he told me he was monitoring the entire area, not just the shopping center.

Again, the end game is occupancy so play with the numbers and always monitor your competition.

It's a good idea to continue monitoring the performance of your existing property and project future incomes and expenses as accurately as possible.

Watch out carefully who works on the job with an exemption and monitor it.

I did not have it replaced nor reviewed for the following reasons: they said it still worked; they didn't complain about it all during the month of September; I have been in the vacant unit across from them showing to prospective contractors various times of day and the unit has not been hot/uncomfortable; I am monitoring their windows DAILY, they are NEVER up or open to indicate they are hot or very uncomfortable. 

Properties here are listed in the Triangle MLS, so I do monitor this location for deals, but find them to be few as it relates to listed properties that might make good cash-flow positive rentals; and I've not yet targeted this area to market for potential off-market deals or tax deed foreclosures.

He didn't use it because of a $500 deductible if he even had the insurance,  im not sure, failure to provide proof of it pretty  much sums it up, I need greater monitoring of a valid and appropriate coverage and that can more likely take place if they use a company im familiar with.

We have done a lot of work in areas with construction and we put up monitoring devices on adjacent homes for vibration.