For you to start there is no minimum require just invest what you can afford to lose, do not also put all your money so that if you lose what you have invested then you still have a money. It is to risk for the first time but if you already know how what you should do then it will not be risky and you will earn big. It is not that hard to learn the trading all you need to do is always read the news about the market for you to know the price. Then you also have to try trading so you can already overcome your fear and you will already learn from your mistake.