The poor already pay more for using cash. They pay the same amount as people using credit cards and don’t get any of the rewards/cash back that the more affluent do
Maybe but using CCs is even more expensive for the poor given their propensity to not pay their balances in full for multiple reasons; so from that PoV cash is cheaper.
And the poor also use pay day loans and overdraft more and pay overdraft fees. Even paying credit card interest at 20% a year is cheaper than paying a $36 overdraft fee when your account is $5 negative for a couple of days until pay day.
