One-person business

Real experiments with content sites, publishing and small products: what was built, what it cost, what it earned.

The English archive is still small — the full set lives on the Chinese site: 副业创业（中文）.

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• Six sites in three months: AI made building cheap; the expensive part is something else
• From 0 to $10k/month in 15 months: the most valuable part is the failure curve