According to @QCompounding, The Millionaire Next Door is the best personal finance book they have read, and they share seven critical lessons in a Nov 8, 2025 X thread for investors and traders. source: @QCompounding on X, Nov 8, 2025 The book’s research shows many millionaires build wealth through frugality and high savings rates rather than high income, a behavior that supports tighter position sizing and drawdown control for traders. source: Thomas J. Stanley and William D. Danko, The Millionaire Next Door The authors also document rigorous budgeting and deliberate time allocation to financial planning, aligning with systematic risk management and long-term compounding frameworks in portfolios. source: Thomas J. Stanley and William D. Danko, The Millionaire Next Door