The venerable and ridiculously cheap lead-acid battery that starts your car every time with stunning reliability should tell you something.

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Super smart, ridiculously cheap software accessed through a mobile device that is always with you, everywhere you are, any time of the day.

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Along the way he has gobbled up the assets of better-known rivals like Pennzoil and Santa Fe Snyder , often at prices that now look ridiculously cheap.

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Stocks are ridiculously cheap compared with long-term Treasury rates.

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But our groceries, at least in the U.S., are still ridiculously, artificially cheap.

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Now the dollar is getting so ridiculously, perilously cheap that foreign investors are bailing out of our stock markets.

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