Daisuke Yosumi’s series of articles has been published on Diamond Online. In this series, he presents the thinking and techniques from ‘The Ultra Minimal Life’ (written by Daisuke Yosumi), a strategy book for maximising one’s life potential by investing time, energy and money gained by eliminating luxury and waste and becoming ultra-efficient. The theme of this session will be ‘Money is not the only thing that can be tied up with money’. The theme of this issue is “Being ‘Bad Value for Money’ Isn’t Just About Wasting Cash – Here’s the Real Cost”. Read the article here! NB! The article is in Japanese.