Hobbs. Must admit that, although not particularly concerned about saving money (or I'd be in the wrong hobby), I do tend to have an eye on the meter when doing the pre shutdown checks, knowing that a few extra seconds may cost me an extra £10

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Silly, just human nature, but I can't stop being aware of this. I know I aught not to rush, and honestly don't think I do, but I bet many people do, after all, a 'free' Full English Breakfast chased by a couple of pints of Guiness really hits the spot after a morning flying