| If I can add my two cents, being in the trades, I get to see the devastation a water leak that runs a long time can do, and cost. I think Tom would agree.
Mechanical failures can happen every day, but more times than not, the damage is less when people are doing thier normal routine. But if nobody is around, leaks can go on for a very long time before being discovered.
Even for a week, I shut down all utilities, or at least as much as possible. I will leaving a lighting circuit, and refigeration, for the week, of course. Anything I can shut down goes down, power, water, gas, fuel, etc. Of course, cold weather needs heat set as low as possilble, de-icing systems, etc.
Leave on smoke detectors and security systems, and be sure all have fresh backup batteries.
With readily available inexpensive technology, sensors and cameras are available to virtually communicate with your home thru the interent from anywhere in the world. Post any questions you may have on this in the Computer area, I am faqmilar with how to do this, but not any good at explaining it.
You may already do all that I list, but as a service to others , I thought it could not hurt. | 
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