as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
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what kinds of exchange-traded funds (etfs) should specifically be avoided?
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stay away from leveraged or synthetic etfs. this answer talks about why leveraged etfs are dangerous. there are numerous articles to be found by searching for "leveraged etf". my answer to this question links to one of the more accessible explanations i've read.
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