All Side Hustle Ideas
Software and apps

Royalties from programming books

Earns ongoing royalties from programming books written years ago, with little active work now.

At a glance
Estimated by a classifier that read the source. The bar shows how sure it was.
Category
Software and appsLow confidence
52% sure
x
Earns from
One-time salesLow confidence
57% sure
x
Startup cost (estimate)
$1k to $10kLow confidence
40% sure
x
Time it takes (estimate)
Hands-off
95% sure
x
Where
Online
97% sure
x
Coding
No coding neededLow confidence
51% sure
x
Source
Hacker NewsComment by jefflinwood in “Ask HN: What are your passive income sources?”, October 26, 2016
Read the original comment

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