How can I buy time?

I'm curious, how exactly does one go about buying time? It seems like a rather abstract concept, as time is something that we all have and yet can't hold onto. Are there specific strategies or tactics that can be employed to essentially purchase more time, or is this just a figure of speech? And if there are ways to effectively buy time, how do they differ in the context of cryptocurrency and finance? Are there specific investments or strategies that can yield returns that allow for a more flexible schedule or the ability to prioritize tasks more efficiently? I'd love to hear your thoughts on this.