That was my first thought as well, that they would have a hard time finding a more expensive place for every metric, from real estate* to salaries. However I d

That was my first thought as well, that they would have a hard time finding a more expensive place for every metric, from real estate* to salaries. However I don't see Amazon and Chicago being a good match, culturally, if that makes sense, nor do I think there are compelling strategic reasons for basing this location there. *edit: Based on snowwrestler's comment it sounds like Crystal City has seem some large occupants move out, so real estate prices may be trending down. However it's still a fair premium to pay to be next to the airport, compared to farther out (where you also have a high concentration of software developers.)