Many people that I know invest not to be rich, but simply hoping to be able to retire one day. Likewise, my main goal of investment is to retire. Naturally, I am curious to know how I will be able to retire. More specifically, how much do I need to invest annually? What rate of return do I need? When I can retire? To answer these questions, I decided to build a simple simulator. Basically, it assumes that to retire, I need a passive income which comes from the dividends of my investments, and that I will invest some money annually at a certain rate of return until I retire. Based on current estimation, I would be able to retire within the next 5-7 years......