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Also Laziness have also contributed to the downfall of many traders. Many traders especially Newbies are so lazy to conduct their personal research before putting their money on a particular coin. Although, I understand that making research doesn't guarantee that you won't lose. But, I'm quite sure that it definitely reduce lost In trade. However, trades should normalize trading the amount they can afford to loose.
Doing research first on an asset to be purchased is a must that must be done by a trader, without doing that, the trader will only buy assets based on guesses without knowing the potential and future shortcomings of that asset. lazy and greedy traders will never make a profit.