Re:Ask HN: Best passive income method for a solo developer?
by thewhitetulip on Friday August 19, 2016 @09:00AM
(#12319662)
leanpub allows you to get the data from github, my book is already on github, 950+ stars
The premium version of Gumroad is $10 per month, and reduces the cut they take.
There's leanpub too, though I don't know if you can upload an already made pdf. Worth checking out though.