This book is dedicated to showcasing the importance of household financial management through the lens of academic research, with the goal of enhancing the financial well-being of individuals. Through an exploration of households' financial choices over their lifecycle, the book aims to provide a comprehensive understanding of households' financial decision-making processes, grounded in economic models, policies, and data. This holistic perspective encompasses an awareness of the functioning of different market types and an appreciation of various cognitive and behavioral biases. As a result, readers would be better positioned to make informed financial choices. By further integrating theories and empirical evidence from economics and finance, the book provides readers with insights into actions they can take to circumvent common financial pitfalls and offers solutions for effectively addressing them.