https://principle-of-things.github.io/
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Whether it’s a computer, home appliance, furniture, or car, any thing requires “maintenance to be used for a long time,” “knowledge to be done cheaply,” and “experience and wisdom to be done quickly.”
For those who don’t have the time to gain knowledge or experience, the only option is to hire a professional and buy time. However, the know-how gained through trial and error over time is truly sustainable for long-term use of things.