(I guess you put it earlier in the electric line).

Paint can be ugly, electrical can't.

Electrical ran to those specs.

I stay away from Foundation, roofing and major electrical work.

And unless you are a Professional Home Inspector, a General Contractor, a Professional Handyman, including plumbing, electrical, HVAC, etc..., there are OTHER people who will do a BETTER job at it than you. 

Wow ... mine seems pretty tame, but odd nonetheless.I had a tenant bring his own water heater (electric) and ask to have it installed in-place of the gas water heater for the unit.

If there are all one one circuit, technically it's a no go because one tenant is paying the electric for all the alarms.I was thinking of wiring each unit on a separate circuit and linking both systems with a common wire so when one unit's go off, there other units go off as well, but the electric is still separate.Am I looking into this too much?

@Rebecca StyerWe use ductless split heat pumps - usually to displace a reliance on electric baseboard heater - where the layout of the property is conducive .... and our climate makes Pennsylvania look relatively mild.

I immediately assumed that the neighbor was using my vacant property's electricity to power his house during the evening, and had disconnected for the morning, but not cleaned up his evidence yet.

The electricity is in our name, the solar covers about half of the electric use.