Disconnect battery when parked?

RustyRatRod said

I know a guy that goes outside and throws the MAIN breaker at the meter box when he leaves his house. He had a house fire years ago that was caused by electrical. He says he sees the difference on his power bill too. lol

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Your buddy ain't crazy for doing that -- I'd say at least 80% of the car fires we run are caused by electrical problems....and house fires, too, for that matter. I'm just in and out so often that it would be huge PITA to throw the main every single time I left. Haha