[sandmn]

Processing cash might cost retailers even more than cards (miscalculations, keeping change, counterfeit bills, cash collection every day) unless it allows them to evade taxes.

[Bognar]

Unless there were some sort of government-provided zero fee digital system for money transfer. Oh well, surely such a thing will never exist.

[sandmn]

Not sure if people who prefer to use cash will consider that an adequate substitute.