Eric Siu explains why money matters as a tool for buying time. He uses business class flights as an example: spending more upfront saves hours on sleep, lines, and stress, which compounds into better leverage and productivity for frequent travelers.
Chapters
Money's a tool, just like your time. They're fungible, so you can actually gain a lot of time with your money. When I first started traveling for work, I was like, why would anyone buy business class? Why would you waste the money? We're all going to the same place. But then you're on the road for 175,000 miles a year, and you're like, this is a bus. I would like the best seat in the bus. I can get a little bit of sleep, or I don't have to waste an hour in line or anything like that. It's all about what leverage that you can get for those dollars or that time that you put in, and then basically make sure that you're netting out in whatever model of value that you put into your head.