Each chargeback costs a fee and counts against your account. Too many can lead to monitoring programs or a closed account, which is why research stores work hard to prevent them.
Chargeback
A card payment reversed by the buyer's bank after the buyer disputes it.
See it running on your own catalog
Purity does the work these terms describe: batches held until their lab report is in, payments matched to orders, and wording checked before it sends.