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Good for you. Privacy is wonderful. A good companion to to this way of life is to use cash as well.
;-)

I always use cash, though my favourite coffee shop recently went card only, so I'm conflicted:)

A friend ran into that and here's what he did. He ordered they made his coffee and he brought out his cash--they said they don't accept it anymore. So he shrugged and walked away and sat with a friend he was meeting there. Later the barista brought over his coffee and gave it to him for free.
;-)

Good move, but it'd only work once!