I Became the Richest Man by Spending Money

I died, was bound to the money-spending system, and lived again The system tells me that I only need to spend money to survive of course i'm happy Friend 1: Woohoo - my family is bankrupt, the company has no one to take over, the employees are all laid off, and even last month's salary cannot be paid. Me: I bought the company, retained the employees, and paid their salaries. Friend 2: I'm moving, but I can't take the store with me. Me: I've bought the store Friend 3: Someone donated two buildings to the school Me: I will donate one to the campus later Reporter: How did you become the richest man? Me:... Spend money Purpose: Labor is the most glorious