Best Passive Income Sources in 2026 — Which Actually Works?

Passive income is the holy grail of personal finance — money that works while you sleep. But not all passive income is created equal. Dividend investing generates regular cash flow from stocks without selling them. Rental property provides monthly income but requires capital, management and maintenance. YouTube channels can generate AdSense revenue indefinitely once videos are made. Affiliate marketing pays commissions on products you recommend. Digital products like courses and ebooks sell repeatedly with no extra work. Index funds grow wealth passively over time through compound interest. The reality is that most passive income requires significant upfront work or capital. What is actually the best passive income source in 2026?

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