Self-published book on adult ADHD
Wrote and published a book on adult ADHD that still brings in a small amount from sales.
At a glance
Estimated by a classifier that read the source. The bar shows how sure it was.
- Category
- Digital products80% surex
- Earns from
- One-time sales96% surex
- Startup cost (estimate)
- $100 to $1kLow confidence45% surex
- Time it takes (estimate)
- Hands-off94% surex
- Where
- Online93% surex
- Coding
- No coding needed98% surex
Source
Hacker NewsComment by harvestmoon in “Your best passive income? (2014)”, January 21, 2014
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