Trading is hard and by trying to master different types of trading, traders will have to spend more time, more money for experiencing these types of trading. As said, because of difficulty in trading, by experiencing more, they will possibly get more losses, pay more costs for their learning, not only for learning courses but for actual trading practice.
Those are the price that we have to pay for we to get sometimes that'll change our lifes and begin to make us wealthy. Trading can make you rich and it can also make you broke, the outcome depends on you hence if you sacrifice those time that you would have used for sometimes that doesn't add value to your life to learn trading in any form like spot or future trading, you'll be the one to benefits because your financial life is going to be different after mastering the trading skills.
You don't have to lose money to master the skills, we have demo accounts that can be used for practicing and until you have mastered the strategy, you don't have to go live. We don't have to depend on only one type of trading but starting from spot trading is the best advice.