The following video is part of our "Motley Fool Conversations" series, in which analyst John Reeves and advisor David Meier discuss topics across the investing world.

The great short-seller Jim Chanos utilizes four tactics for finding winning short ideas. In this video, David and John consider if doing the opposite of what Chanos recommends is an effective way to find long ideas for their 10-bagger portfolio. Interestingly, Chanos says that he never shorts a stock solely on valuation. John and David believe strongly that investors should avoid selling great companies just because they may appear "overvalued." After all, it takes time for 10-baggers to emerge.

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This article represents the opinion of the writer, who may disagree with the “official” recommendation position of a Motley Fool premium advisory service. We’re motley! Questioning an investing thesis -- even one of our own -- helps us all think critically about investing and make decisions that help us become smarter, happier, and richer.