All Side Hustle Ideas
Digital products

Ebook on PHP deployment

Wrote a book on deploying PHP applications that sells steadily from the owner's website and builds an audience list.

At a glance
Estimated by a classifier that read the source. The bar shows how sure it was.
Category
Digital products
93% sure
x
Earns from
One-time sales
96% sure
x
Startup cost (estimate)
Under $100Low confidence
46% sure
x
Time it takes (estimate)
Hands-off
94% sure
x
Where
Online
99% sure
x
Coding
No coding needed
69% sure
x
Source
Hacker NewsComment by vcherubini in “Your best passive income? (2014)”, January 21, 2014