Illustrated explanation of left-side trading and right-side trading, learn about it to avoid being trapped!

Among the many traders in the market, there are two groups of people:

There is a group of people who are obsessed with guessing the bottom and the top, and they must trade before the bottom and the top appear, so as to maximize their profits and become left-side trading preference.

There is another group of people who, after repeatedly failing to guess the bottom and the top, began to question the possibility of finding the top and bottom, so they began to think: Since it is impossible to infer when the top and bottom will come? Then why don’t I wait until it appears before starting my transaction? So there are right-side trading preference.

So what is left/right-side trading? Which one is better? See the picture below for details!