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Re:Master Plan, Part Deux by costcopizza on Thursday July 21, 2016 @10:19AM (#12136998)
What's next?

Are you going to account for the cost of making water? Not the bill you pay to the utility for use, but the actual cost of formulating water?

What about air?

How about the cost of creating a sun if you rely on solar power?

Re:Master Plan, Part Deux by dredmorbius on Thursday July 21, 2016 @05:26PM (#12140209)
Addressed in significant part in my longer comment here: https://news.ycombinator.com/item?id=12135485

Short answer: cost, flux, total size, and rate of consumption all matter.