Bar chart of the 173 published explainers in the income library, counted by category from 1 to 13: 15, 13, 25, 12, 14, 14, 8, 10, 10, 7, 14, 7, 24.

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The income library

Every way a person can earn passive income, one page at a time: what it is, who pays you, out of what, what it costs, how it is taxed, and how it goes wrong.

173 topics published: twelve categories of income, plus the reference terms.

Start with the mechanism, not the product

There are only six ways money reaches a passive investor: interest from lending, distributions from ownership, rent for the use of an asset, royalties on rights, premium for selling an option, and profits from a business someone else runs. Every product below is one of those six wearing a costume. The six-lesson course walks through them in order.

How the library is organised, and where to start. The numbered cards below are categories of investment: one per way the cash can reach you. Inside each is a page per income type, and every page answers the same questions in the same order: what it is, who pays you, out of what, what it costs to hold, how it is taxed in the US, and how it stops. The reference section further down is not another category; it defines the words the rest of the library uses, so it is worth opening when a term gets in the way rather than reading front to back. If you do not know which category you want, start from the mechanism above that matches how you would like to be paid (lending money out, owning a slice of something, renting something out) and open the category that pays that way.

The twelve categories of income

Grouped by how the cash actually reaches you. Every one of these is a way to invest for income.

Reference: concepts and terms

Not an income category; the vocabulary the rest of the site uses, and how each number misleads.

Open the reference →

Income concepts and terms

The vocabulary the rest of the site uses: what each number means, how it is calculated, and how it misleads.

24 terms defined Browse →

Good places to start

The topics most people arrive looking for.

Then put numbers on it

The library explains the mechanism; the calculators do the arithmetic for your own figures.

Open the calculators →

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