How to build a reliable trend trading system? Let's discuss

What are the advantages of weekly trading over daily trading?

For the real-time market, should we keep our original intention or follow the trend?

How to judge the trend in the early stage. ?

Winning ratio and profit-loss ratio, which one do you value more?

What pitfalls do you need to avoid when interviewing for a job in the financial industry?

Everyone is asking traders' questions,Let me ask, if you apply for a job related to this industry, what should you pay attention to? Is this idea advisable? Are there any hard conditions for applying?If you have experience, please help me~