An entire life time is not enough, if you are to learn everything from your own mistake. Learning from other people saves us time, efforts, energy and even money. What if the lessons are being taught by a CEO of a company? Wouldn't it be 'the icing on the cake'?
Maximum income, least possible expenses, optimum returns on investment and preserving & protecting your money from the uncontrollable are the 4 pillars for living a zero-stress financial life. They are like the 4 tyres of the car on which your financial life moves ahead, smoothly.