DXY seems unwilling to rally. Or, is this manipulation?

If you want to make money in trading, what principles do you need to understand?

Why can you see the general direction right, but make a bad point in the transaction, and lose money instead?

If you have a bad mentality, does this mean that you are not suitable for trading?

How to do a practical Martin strategy with limited funds?

Can you do Martin strategy with limited trading funds? Any suggestions or ways to do it? I am a novice, and I want to try Martin's strategy with a small amount of money. I beg you to let me know!

Why do successful traders not advise others to trade?