Important events of today

As a trader, how can you make a stable profit?

Where should beginners start trading?

How can one be called a qualified trader?

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

My usual trading system continues to fail, what should I do?

If a trading system built by myself often fails and causes losses, should I abandon this system and replace it with another one? Is there a stable and profitable trading system?