Seriously? This sounds like one of those books “How I got Rich Writing a Book on How to Get Rich”
There is no direct correlation to overworking and getting wealthy. There might be a correlation between underworking and failing but any student of basic logic can understand that the two are not transferable truths. Luck is the guiding factor in monetary. Your odds go up with effort but it’s still being at the right place at the right time.
How about building something that makes the world better. Actually building it with your own hands. All your money will vanish after you are gone and so will this article.