How people make money: the seven mechanics

Strip away the products, the apps and the marketing, and every legitimate income stream is one of seven mechanics. Each one pays you for something specific — your time, your money, your property or your risk. Knowing which one a scheme claims to be is the fastest way to understand it, and to notice when it is not any of them.

1. Wages — selling time and skill

You do work; an employer or client pays for it. The money comes from the value of the work to the person paying. It is the only mechanic on this list with no capital required, and the only one capped by the hours you have.

2. Interest — lending money

You let someone else use your money; they pay you for the privilege. A savings account is a loan to a bank, a bond is a loan to a government or company. The rate reflects, among other things, how likely you are to get the money back — which is why a borrower nobody trusts must offer more. How central banks move these rates is covered in how interest rates affect markets.

3. Dividends — owning a share of profits

A company that makes a profit can pay part of it to its owners. Buy a share, and you own a sliver of the business and of any payout it declares. The mechanics — who decides, when you qualify, why the share price adjusts — are in how dividends work.

4. Capital gains — selling for more than you paid

Buy an asset, sell it later at a higher price, keep the difference. This is the mechanic most people mean by "investing", and the only one on the list where the gain exists solely because someone else later paid more. Nothing produced the money in between — the price moved.

5. Rent — letting property work

You own something someone else needs — a flat, a warehouse, equipment — and charge for its use. The asset keeps its ownership while its use is sold, month after month. The cost side is real: upkeep, empty periods and the price of the asset itself.

6. Royalties — licensing what you created

Write a book, a song, a piece of software, register a patent — then charge each time it is used or sold. The work is done once; the payments repeat. Few incomes are harder to start and easier to keep.

7. Business profit — building an enterprise

Combine the mechanics above: hire time, borrow capital, own assets, sell products. Whatever remains after every cost is profit, and it belongs to the owner. Highest ceiling, fewest guarantees.

The pattern worth noticing

Mechanics 2 through 7 all require capital — money, property or a finished creation — and all carry the risk of loss. Anything promising the returns of capital without the ownership of capital deserves the question: which of the seven is this? A pitch that cannot answer is usually the eighth mechanic, the one that only makes money for the person pitching. Our guide to spotting fake licences covers the regulated version of that question.