There's a lot for investors to learn -- and not just about markets, industries, and companies they follow, but also about themselves. Sometimes we can be our own worst enemies in investing, whether that's allowing our emotions to get in the way of a great investment or letting personal finance mistakes limit our gains.
After a decade of writing for The Motley Fool and learning from our talented contributors and analysts, there are three moneymaking skills I'm going to work on in 2020, and I think most investors would benefit from them too.
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