I don't really have a source for this: I've never used the "dark web" myself. But my understanding from people who have is that it's that it's possible to buy i

I don't really have a source for this: I've never used the "dark web" myself. But my understanding from people who have is that it's that it's possible to buy in large quantities, which seemed to me like it would only be useful for dealers. Your point about the mailing address is a good one though. I had not thought about that.