Not enough that they can live off the music. As I said, Haughm has said many times that Agalloch is not a career band and they all have day jobs. Pig Destroyer is another example. They don't tour and they have day jobs. Yeah they sell some, and I think I read an article where they said P
x takes in like 20,000 dollars a year, but obviously that's like 5 grand per member per year and not even close to enough to live off of.
The point is not about moving 2,000 units a year. We're talking about moving 20,000 a year. That's how much you need to move in order to be able to live off of the music. Blind Guardian, Edguy, Etc may only move like 5-10,000 units in the US per year, but they move like 50-100,000 worldwide.