Eight income streams and how to build passive income

Executive overview

Most income labelled "passive" still requires ongoing involvement. The exception is index investing, where money grows without any action. Start by calculating what you actually need — a concrete number makes the goal achievable.

True passive income is rare; investing is the closest thing to it.

Setting a realistic financial target

• Work backwards from actual lifestyle costs, not an arbitrary big number
• Example target: $2.5M invested at 7% = $175K/year without selling principal
• A moderate, calculated goal is far more achievable than a vague large one

Earned income (9-to-5)

• Taxed at the highest bracket; entirely active
• One genuine passive benefit: employer retirement plans compound over time
• Stability and benefits have real value — not a failure mode

Business income

• No cap on upside, but rarely passive without a strong team and systems
• A founder's active presence drives innovation; stepping back slows it
• Service businesses (e.g. medical practices) are almost always active income
• YouTube AdSense qualifies more as royalties — stops if you stop creating

Digital products and low-content books

• Workbooks, planners, and templates sell without writing a full manuscript
• Amazon KDP prints and ships on demand — zero inventory, zero upfront cost
• Upload is free; Amazon takes a cut only when a sale occurs
• A single video mentioning a product can drive sales for years
• Strong product conversion: 30% of book buyers purchase an upsell (e.g. a course)

Investing: capital gains and dividends

• Capital gains: portfolio growth you can draw from by selling a portion
• Dividend investing is unpredictable — payouts shift with economic cycles
• High-yield savings accounts (e.g. 2% vs. near-zero at big banks) are a low-effort starting point
• Stock market is the most passive option — no maintenance, no tenants, no repairs

Rental property income

• Airbnb generates more but carries regulatory risk (cities can ban it overnight)
• Long-term rentals are steadier but still require hands-on management
• Even with a property manager, repairs and decisions fall to the owner
• Not truly passive — stock market remains less work for equivalent returns

Affiliate income for creators

• Old YouTube videos continue generating affiliate revenue years after upload
• Financial content affiliates pay the most (apps like Robinhood, Webull)
• Amazon Associates works across niches; a 2015 GMAT video still earns today
• Passive only if the content already exists — creating it is active work

Prioritising which stream to start

• Investing is the lowest barrier — no business, no writing, no property required
• Layer additional streams as capacity grows
• Focus on what you're most passionate about — it sustains the active phase longer