Trading is all about risk-taking, so as much as possible you have be a risk-taker in the first place for you to maximize reaching your goal in trading. Now, the question is, are there chances for any not risk-taker to succeed in trading. It depends for me, since trading can be learned in time as well as the risks that are involved when trading. But as long as you know your ultimate goal why you trade, then you should adapt the required knowledge, skills and strategies, and even building yourself on how to manage calculated risks.
There's certainly no chance if they don't take any risks. However, it's important to remember that effective risk-taking must be supported by adequate knowledge and preparation, such as understanding the basic concepts of trading, such as technical analysis, fundamental analysis, and risk management. Yes, every trade doesn't always go smoothly every failure has a lesson. We should record every failure while trading so we can change our approach in the future. It's important to remember that taking risks doesn't mean acting recklessly. Proper risk management, such as setting limits and conducting in-depth analysis, can help minimize potential losses.
Yes, taking risks without knowledge is very risky and we will definitely lose the direction of our trading goals. By combining all the methods you mentioned above, it can provide a more complete picture and help in better decision making.
Using multiple methods allows traders to develop multiple strategies that can be applied, in market situations that often change rapidly, and with a combination of different methods allows traders to adapt better and It also helps traders in reducing risks and increasing opportunities for profit
Learning multiple strategies isn't the problem but it's better to first learn on strategy at a time. Master it and be a pro on it before you should think of learning a new strategy because if you don't understand the fisrt strategy very well and you jump into another one, you are complicating things for yourself. If you don't master any strategy, you will be a bad trader.