Programming book royalties
Wrote a PHP book and still receives small royalty payments from it.
At a glance
Estimated by a classifier that read the source. The bar shows how sure it was.
- Category
- Digital productsLow confidence55% surex
- Earns from
- One-time sales84% surex
- Startup cost (estimate)
- $1k to $10kLow confidence47% surex
- Time it takes (estimate)
- Hands-off97% surex
- Where
- Online93% surex
- Coding
- No coding neededLow confidence56% surex
Source
Hacker NewsComment by qzervaas in “Your best passive income? (2014)”, January 21, 2014
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