On a sleepy Sunday evening, I embarked on a noble quest to Target, armed with a mission: to procure cold medicine for my ailing daughter. Little did I know, I was about to stumble upon a scene straight out of a reality TV show.

I attempted to emulate Warren Buffett’s investment approach. When asked about his strategy, Buffett often referred to the concept of an “economic moat”. I was intrigued by the idea and realized that the “moat” concept could be analyzed through Five Forces framework by Porter. 5 force stands for the followings: