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You could offer a PDF version for free. And charge money for a printed version. It would probably result in more sales. https://news.ycombinator.com/item?id=23

by MYEUHD 4y ago

You could offer a PDF version for free. And charge money for a printed version. It would probably result in more sales. https://news.ycombinator.com/item?id=23073126 https://news.ycombinator.com/item?id=23073126