I think good learning and training is necessary, the risk is not necessary to make a big profit if you work with a good mindset good observation and by gaining good training from right persons than it creates you easy to get profit and a wide range of chances to earn a big profit for you.
Training and building your skills in important for positive results that is why we say that before starting anything you must have knowledge of it. It is for convenience that helps you out in making right ways for your strategies that make you survive in market.
Conversely if you do not have knowledge and you enter into the market will be the biggest mistake and you will get bad consequences of your attempt.