This varies quite a bit. I was the CTO of a very large porn site in the mid-2000s and our chargeback rate was tiny - a small fraction of a percent. That fact di

This varies quite a bit. I was the CTO of a very large porn site in the mid-2000s and our chargeback rate was tiny - a small fraction of a percent. That fact didn't help us avoid high-risk categorization, though.