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My father, a career engineer, told me that all engineering projects underestimate costs by a factor of 2, and overestimate benefits by a factor of 2. This rule of 2’s becomes a rule of 3’s, 4’s, or even more when the project is a prototype using novel technology.
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My father, a career engineer, told me that all engineering projects underestimate costs by a factor of 2, and overestimate benefits by a factor of 2. This rule of 2’s becomes a rule of 3’s, 4’s, or even more when the project is a prototype using novel technology.