I think the key indicator for wealth is not good grades, work ethic, or IQ. I believe it's relationships. Ask yourself two questions: How many people do I know, and how much ransom money could I get for each one? ↗
Do you remember me telling you we are practicing non-verbal spells, Potter?"
"Yes," said Harry stiffly.
"Yes, sir."
"There's no need to call me "sir" Professor."
The words had escaped him before he knew what he was saying. ↗