Everyone struggles with biases when they are investing.  Some people fear missing out in a bull-market, some are overly skeptical or pessimistic.  Some are seduced by dividend yield instead of dividend payout sustainability.  Some can’t bear to pay a difference of $0.05 more for their stock and then lament when they watch it shoot up. Investing biases. Everyone has one.  It’s a matter of having the humility and self-awareness to acknowledge your investing bias and learn how to overcome them that differentiates the good investor from the mediocre ones. I realise I got a weird investing bias. I can’t help but buy stocks of businesses that earn money from me. In other words, I can’t help but try to earn back the money certain businesses earned from me. When Peter Lynch talk about buying what you know, and about looking at everyday businesses you come ......