Son, how did you become the richest man in elementary school?

Gu Xiu, who enjoyed the blessings of 007, was reborn back to the beginning of the century and became a six-year-old elementary school student.
Looking at the father who just failed to start a business and was in debt and entered a period of confusion.
"Dad, how about I show you the way?"
"Set a small goal first."
"Become the richest man!"
Thus, a middle-aged man started his counterattack life, step by step out of the road to the richest man.
But the moment he ascended the altar, he found that...
"Son, you are only in elementary school, how did you become the richest man?"
Gu Xiu: Who stipulated that elementary school students can't be the richest man?