An entrepreneur gets exposed to all aspects of business management, right from company formation (Secretarial), to contracts (Legal) to Finance, Marketing, Sales, Operations, IT Systems, HR and Economics.
So does a Management Consultant!
Who wants to be a consultant?
Summary of "I Will Teach You to Be Rich":
Buy a home within your means. Always negotiate salary. Negotiate when buying a car. Keep your cash in online accounts that pay more interest than traditional big banks. Automate savings and investments. Invest in low-cost index funds.