★ Precisely targets the "golden window" at age 30 – For those with stable income and initial savings, still years from retirement but facing family pressures. Builds a retirement-long cashflow system from scratch, harnessing compound interest.
★ Authoritative expertise and market-tested results – Yoon Seong-ae is a leading South Korean financial education expert, delivering over 400 lectures annually to more than 10,000 participants. He has received numerous awards and serves as a specially appointed lecturer for Samsung, LG, and Hyundai Motor.
★ A tailor-made lifelong cashflow system – Avoids blindly chasing "profitable stocks." Introduces an original three-step framework: cultivating saving habits, constructing a stable cashflow portfolio, and aligning investments with your personal style while making regular adjustments.
★ Solves the core pain point in personal finance – Overcomes "knowing the theory but unable to start." Provides practical, actionable guidance including an investment tendencies checklist, a life-cycle portfolio model, and personal spending pattern analysis. Empowers readers to confidently start after finishing the book.

From the fundamentals of personal finance to building a personalized investment portfolio, Lifelong Investment Management Starting at Age 30 is a practical guide that shows you how to create a lifelong stream of cashflow through tailored investment strategies.

This book walks you step by step through implementing a portfolio strategy that aligns with your own investing style. Its core message is clear: first, develop the essential habit of saving; second, construct a portfolio that ensures stable cashflow; third, identify assets that match your investment preferences; and fourth, regularly rebalance your portfolio. What sets this book apart is that it doesn't simply urge you to pick so-called "winning stocks." Instead, it empowers you to independently build a portfolio that "fits you perfectly" – one that generates steady cashflow no matter the circumstances.

The author is a financial education expert who delivers over 400 lectures each year. He was inspired to write this book by his own experience: he found that much of the personal finance knowledge taught in classrooms proved difficult for people to put into practice. If you've worked hard to save but aren't sure how to move to the next stage, this book will help you design your own "money-making-money" system.

Even if others have profited from their investments, there's no guarantee their approach will work for you. That's why this book focuses on providing all the information you need to build a portfolio – covering your current assets, spending habits, and investment tendencies. After reading Lifelong Investment Management Starting at Age 30, anyone can gain the confidence to believe, "I can start doing this," and create a lifelong cashflow that suits them.

Yoon Seong-ae
Yoon Seong-ae is a financial education expert and certified asset manager. He has delivered lectures for many years at numerous large corporations – including Samsung Group, LG Group, Hyundai Motor Group, POSCO Group, KB Financial Group, and Kiwoom Securities – as well as at a wide range of public institutions. He conducts more than 400 seminars annually, helping countless individuals tackle their personal finance challenges. His total number of students has surpassed 10,000, spanning all age groups. He has received prestigious awards, including the President's Award from the Korea Economic Education Association and the Chairman's Award from the Gyeonghyang Financial Education Award, and holds multiple certifications such as Investment Asset Manager, Financial Planner, and Registered Asset Manager.

Preface: The First Step Toward Financial Freedom

Chapter 1: The Minimum Starting Point for Saving
Do We Really Need to Manage Our Finances? | What If Money Outlives Me? | Today's 50,000 Won Is Very Different from Tomorrow's | A Comfortable Retirement Depends on Your Current Financial Situation | The Less You Have in Assets, the More Important Asset Management Becomes | Consider Your Life Stage | The Earlier You Invest, the Better | Personal Finance: Three Steps Are Enough | You Must Keep Household Accounts "Properly" | How to Understand Your Spending Patterns | Develop Financial Habits

Chapter 2: Building an Investment Portfolio That Generates Income
Three Steps to Constructing a Portfolio | Let's Examine the Three Aspects of Finance | Traditional Assets and Alternative Assets | Investment Strategies to Overcome Anxiety | No One Will Be Responsible for My Retirement | The Three Elements of Tax Savings: Pension, Private Pension, and Individual Savings Account (ISA) | How Interest Rates Influence Investment Choices | How Prices Help Predict Demand | Exchange Rates Every Overseas Investor Must Know | The Money Supply Reveals the Scale of Currency Circulation | The Leverage Effect of Debt | How Leading Economic Indicators Help Forecast Economic Conditions

Chapter 3: Which Assets Are Best for Me?
Deposits: The Foundation of All Strategies | Bonds: Long-Term Returns | Real Estate from a Long-Term Investment Perspective | Stocks: Investing in a Company's Growth Potential | The U.S. Dollar: When Domestic Assets Are Unstable | Gold: When Currencies Devalue | ETFs: When Management Burdens Become Too Heavy

Chapter 4: A Practical Guide to Worry-Free Financial Management
How to Make Money Grow Automatically | Determining Asset Weights Is Crucial | A Portfolio That Withstands Market Volatility | Investment Strategies That Take My Life Cycle into Account

Appendix: Diagnosing My Investment Style
List of Investment Tendencies | Portfolios Based on Life Stages

Epilogue: In Personal Finance, Long-Term Investing Wins