Self-Checkout stations might have a cash option on the screen I believe so yeah I think you do cash on the self checkout stations if you like
Some counter support it but not all self checkout counters. Don't depend on it, I have seen situation where no cash supporting self checkout counters are open.
Not sure and probably not till they eliminate all of the actually checkers. But its questionable if they will just try to go cashless or not. I sure hope not
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