Good companies can't be hidden; they repeatedly appear in your life. When your shopping cart, office software, and entertainment are all "occupied" by the same company, this is a more reliable buy signal than K-lines. Peter Lynch (the "commoner stock god" who made 29x returns in 13 years) once said: The only way ordinary people can beat professional investors is by investing through 'daily observation.' Today, we've summarized his three iron rules to share with everyone. The first rule: Only buy companies you can 'see.' Avoid those 'high-tech concepts' whose names you can't even pronounce smoothly...