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> If you’re checking it at a grocery store it’s likely there’s someone in line behind you waiting to pay

I usually use the self check-out which is usually not at all busy when I get there.

> Waiting for you to count out your pennies

I was explicitly talking about using a debit card, and as I established repeatedly throughout the thread, my country hasn't used pennies for over a decade.

But on the occasions that I pay cash, I do try to make exact change, because that's courteous to the cashier (and also just satisfies my aesthetic sense). I'm quick about this, because being the sort of person who posts on Hacker News, my mental arithmetic is pretty good.

> is the kind of thing that evokes rage in people because it’s so rude.

I've had people in front of me "waste" far more time than that because they had to cancel items (and deliberate over what to send back), struggle to pull things out of their cart, etc. It doesn't bother me. If I urgently needed to be somewhere else I would have planned my trip for another time. It already takes quite a while because I walk both ways (which I also enjoy quite a bit by the way).

People ITT are talking about the value of time, but I can't reasonably value each second equally. Time is not nearly as fungible as money; ten seconds saved on an outing is just not going to translate into ten seconds spent on my projects. Nor can I make myself feel as though every moment not spent on acquiring capital is equally wasted.

And I deeply resent the implication that using XYZ technology to save time is a moral imperative.



For a cashier sorting a customers change and presumably multiple small denomination bills is more effort than the rote action of handing out change. Handing exact change is therefore significantly slower for everyone else.

> using SYZ technology to save time is a moral imperative

Saving other people’s time is the imperative, the technology bit is simply how that happens. People can for example fill most of a check out before they know the exact amount, but you rarely see it.




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