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Passive income

As explained in Investing for Programmers

Passive income is income generated with limited ongoing active labor after the underlying asset or activity has been established.

Passive income is recurring money generated after an asset or activity has been established, with limited ongoing active labor. Assets can produce it through interest, rent, dividends, bond payments, or other payouts rather than only through capital appreciation. Financial independence can begin when these payments cover essential expenses, but achieving it requires patience rather than miracle returns. section 1.0 section 1.2 section 5.0

Evaluate a passive-income approach by balancing cash flow against risk, goals, and the time required to manage it.

  • Use dividend-paying stocks, bonds, and real estate investment trusts for recurring payments; income portfolios prioritize consistent cash payouts and stable cash flow. section 1.3.4
  • Compare expected income with risk tolerance, financial goals, and maximum management time; an investment that consumes unwanted attention may not fit the intended lifestyle. section 1.2
  • Treat mining and staking as distinct crypto-income mechanisms: mining requires hardware and electricity, while staking locks tokens and exposes holders to token devaluation. section 5.3.2
  • Account for inflation, uncertain returns, and downside risk before treating projected payouts as permanent support for living expenses. section 5.4

Estimating an income target

Estimate the capital required for financial independence by dividing annual expenses by an expected return rate. For example, annual costs of 30,000 at a 5% yield imply 600,000 before adjustments. This estimate omits inflation and a safety margin, so matching expenses exactly with projected interest is unsafe. A core-and-satellite portfolio can keep long-term investments at its center while assigning a smaller allocation to income-producing assets. section 5.4 section 1.3.4

Table 1.1 Comparing growth, value, and income investing
Attribute
Growth investing
Value investing
Income investing
Primary goal
Capital appreciation
Capital appreciation
Regular income
Investor focus
Future potential, innovation
Undervalued “bargains”
Consistent cash payouts
Typical company
Young, innovative, rapidly expanding
Mature, stable, temporarily unpopular
Established, predictable, high cash flow
Dividends
Low or none (profits are reinvested)
Often pays dividends
High and stable dividends key
Key metrics
High revenue growth, High P/E
Low P/E, Low P/B*
High dividend yield, stable cash flow
Risk profile
High
Low to moderate
Low
Time horizon
Long-term
Medium to long term
Any, but often for immediate needs
* P/E = price-to-earnings; P/B = price-to-booking.

Compare growth, value, and income investing by goal, investor focus, dividends, metrics, risk profile, and time horizon. section 1.3.4

How Investing for Programmers covers it

How deep it goes
Explains income sources, portfolio choices, crypto mechanisms, retirement estimates, inflation, and risk trade-offs without modeling returns in detail.
Examples
Uses dividend stocks, bonds, REITs, savings interest, rent, mining, staking, and an annual-expenses divided by yield estimate.
What it assumes
Assumes basic familiarity with assets and investing while defining monetization, risk tolerance, financial goals, and management time.
What you can do after
Evaluate income strategies against expenses, risk tolerance, management time, inflation, and asset-specific operating costs.
How it connects
Connects passive income with assets, capital appreciation, income investing, dividends, bonds, cryptocurrency staking, portfolios, inflation, and financial independence.

Related concepts

This explainer was generated by Manning's knowledge graph from the text of Investing for Programmers. The section links point to the parts of the book it draws on.