The Millionaire Next Door by Thomas J. Stanley and William D. Danko outlines that true wealth is built through frugality, financial independence, and living below one’s means. The study of American millionaires reveals seven common traits, including resource allocation, avoiding economic outpatient care, and choosing appropriate occupations, rather than relying on high income or inheritance. For a comprehensive summary, read the analysis at The Power Moves . The Millionaire Next Door Summary: 7 Habits of Wealth