A free, self-paced textbook in 8 chapters. Read a chapter, then drill it with the 224 companion flashcards using spaced repetition.
Personal finance is the management of an individual's money across earning, saving, spending, investing, and protecting wealth. At its core, it is the practice of directing income...
Money has properties that shape every financial decision. The time value of money holds that a dollar today is worth more than a dollar in the future, because today's dollar can be...
A solid financial foundation requires both liquidity and a plan for emergencies. Liquidity describes how easily an asset can be converted to cash, and an emergency fund is the most...
Retirement planning revolves around tax-advantaged accounts that shelter growth from current taxation. In the US, the 401(k) is an employer-sponsored plan allowing pretax contribut...
Investing is the engine that turns savings into long-term wealth, but it carries risk. Risk tolerance is the emotional and psychological capacity to endure volatility, while risk c...
How you invest matters as much as what you invest in. Dollar-cost averaging means investing fixed amounts on a regular schedule regardless of price, smoothing out the average cost...
Insurance transfers catastrophic risk to an insurer in exchange for a regular payment called a premium. When a loss occurs, you pay a deductible out of pocket before the insurance...
Reaching financial independence—where investment income covers essential expenses—is as much about behavior as it is about investment selection. The four percent rule suggests that...