Today I want to give you a tip to keep you out of trouble: never invest in something that you don't understand. That includes bitcoin, MLPs, annuities, structured products and even stocks. This may seem obvious but I have seen people make this simple mistake because they are chasing the hottest thing in the moment. Early in my career, it was internet stocks. People were buying companies with no earnings and no business plan and were simply interested because the price was going up. Years later, it was subprime loans. The worst quality mortgages were sliced and diced and then packaged as supposedly A rated bonds. When things are too good to be true and you can't understand how it is possible, trust your gut and run away as fast as possible.

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