You might be better to use cameras with wireless internet to a cable connection you install somewhere on the property.I've read reviews for cameras that are hard to reset if they loose their connection.

A MacBook with wireless is a beautiful thing.

I have an wireless earbud in my ear every chance I can get listen to bigger pockets.

A meter and wireless transmitter are installed in each apartment and a central data collector is mounted in a utility closet or leasing office. 2.

You would use a plumber to install the sub-meters, although I have seen some wireless and other types that can be installed without a professional.

I think if I upgraded to Windows Vista Business Pro, I could use its Winfax option through a wireless bluetooth connection (Verizon CDMA Cell Phone Modem) with my Verizon Smartphone to send directly from windows, but again, not really worth it for me at this point.

Is it a security system that is hardwired into the house or did they just put up some wireless cameras? 

I remember @Brandon Turner half-mentioning a company on the podcast that will submeter with wireless tech.

Maybe I can install sub-meters (wireless one) to get more accurate readings so no more guess.The I can simply use the usage to calculate the % for distribution of the bill.

Here's an example security system: click hereYou can set up a wireless camera system.