My hobby has been watching over the shoulders of the greats, noticing the patterns, putting the patterns together, and trying to apply them in my life.

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Singing has always been my childhood hobby and I want to make a career out of it.

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My main hobby is working.

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For more on the hobby rules, see my prior post about hobby income tests and Mary Kay.

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"When it comes to something that is a hobby, my biggest fault is I'm too trusting, " Koch answered.

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Problem was, I did not actually know whether what I thought was my passion was just a hobby or could be a real career.

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"My family thought it was a crazy hobby that perhaps I might grow out of, " he says.

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Public policy was a serious hobby for me for about 5 years before I got my first paycheck.

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