Related:
Golden Rules for Making Money (1880) - https://news.ycombinator.com/item?id=19483313 - March 2019 (191 comments)
Golden Rules for Making Money (1880) - https://news.ycombinator.com/item?id=11320169 - March 2016 (180 comments)
Golden Rules for Making Money by P. T. Barnum (1880) - https://news.ycombinator.com/item?id=310056 - Sept 2008 (56 comments)
Art of Money Getting, by P. T. Barnum (actual book, 1880) - https://news.ycombinator.com/item?id=88544 - Dec 2007 (12 comments)