the.com/chargeback
The financial undo button your customers press instead of just emailing you.
means A forced refund where a cardholder disputes a charge and their bank yanks the money straight back from the merchant.
from Banking jargon from the credit-card boom of the 1970s, when consumer-protection rules let issuers literally charge the cost back to merchants who couldn't prove the sale was legit.
Merchant penaltySellers often lose the goods, the cash, and a fee.
Friendly fraudMany disputes come from buyers who simply forgot.
Time limitCardholders usually get 120 days to dispute.
Threshold dangerToo many and processors blacklist your account.