That's probably a good rough estimate. I did some of my own back of the envelope calculations along those lines and figured out a site like Daring Fireball is p

That's probably a good rough estimate. I did some of my own back of the envelope calculations along those lines and figured out a site like Daring Fireball is probably making around $5,700/month from the Deck, which is less than I would have thought. I'd love to get some first-hand info though.