If you want it badly enough, you can always try, try again in the future.

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And also, if I can try you again on the GM IPO.

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If you cannot describe your idea in 140 characters or less, try again until you can.

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"That is a valuable thing, because usually when you go back and try to find that sort of thing again, you can't do it, " he says.

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If at first you do not succeed one year, you can also enter in the next year and try again.

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Or, if your Roth has dropped in value, you can undo the conversion by the next Oct. 15, get a refund of the conversion tax and try the conversion again after waiting just 30 days.

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