Jim Cramer reveals how the same rules he discusses in his latest book, "Getting Rich Carefully," apply to his newest investment, Mexican restaurant Bar San Miguel in Carroll Gardens, Brooklyn. Cramer says if you protect your downside, the upside will take care of itself. Just like he recommends that investors don't overpay for stocks and that they seek out good dividends and reasonable growth, Cramer says it's important to stay within your means when it comes to investments like restaurants.

At the time of publication, Cramer was long ___.

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