The credit card payment gateway we use has an AVS that proved to miss a sizable amount of fraud, and also identify some legitimate transactions as fraudulent.

The credit card payment gateway we use has an AVS that proved to miss a sizable amount of fraud, and also identify some legitimate transactions as fraudulent. We ended up disabling the AVS system and implementing our own internal system which has been nearly perfect - but we still lose a number of legitimate customers who are unable to pass the automated verification.