Market View on USDCAD

In the era of bad technical indicators, can you still make money from technology?

How to understand the phrase "the simpler the trading system, the better"?

What is the degree of simplicity here? Or the simplicity here is not what I thought, just use a few indicators, so what do you think of this sentence?

Traders, what moments do you feel "really broke"?

Seeking expert guidance, what is the difference between left-hand trading and right-hand trading?

What do you think are the core competitiveness of a good broker?