Time is money - Do you agree?

Time is money - Do you agree?
While driving back home, my friend and I talked about this. She said that she doesn't like to waste time, and for precisely the exact reason she thought the saying was true.
I brought it further than that: in my opinion time is even more precious than money, as you can't spare or put time in a bank like you do with money. You can only spend it, so you have to always spend it well.
She agreed with that.
What's your opinion?
Time is money - Do you agree?
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