Facebook is planning an IPO that could value the company at as much as $100 billion, according to CNBC sources. But not everyone is as excited by the company's listing plans. One strategist says such a sky-high valuation would force him to think twice about investing in it.

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"We learn those lessons from the dot com boom at the beginning of the decade that if you pay too much, it's just not going to work out for you," David Dietze, President and Chief Investment Strategist of Point View Financial told CNBC on Tuesday. Click here for full interview.