A friend just congratulated me on my purchases made earlier this week in the stock market. He said: "You were like a kid in a candy store." I said: "Nope, I was an adult in a candy store." He asked: "Got difference meh?" I said: "Yup, a kid would not have the money to buy like I did. A kid would probably have enough money to buy one type of candy but I bought a variety." I hope my friend got the messages I was trying to share and didn't think that I was trying to show off. 1. Money doesn't grow on trees. For most of us, to have money for investments, we need to save money from our earned income and, later on, save the passive income generated by our investments. 2. Avoid concentration risk unless we are very sure about the investment choice. As most of us are "know nothing investors",...