Chargebacks and fraud are an absolutely monumental problem for most internet merchants. Especially high risk stuff like gambling and porn. Each chargeback cost

Chargebacks and fraud are an absolutely monumental problem for most internet merchants. Especially high risk stuff like gambling and porn. Each chargeback costs the merchant about $30 and then after so many chargebacks your credit card billing rates change. Too many chargebacks and you lose your ability to take credit cards all together.