> We ask “How long will it take?” That is the first problem. We should be asking several questions, and the value of their answers would be weighted against bu

> We ask “How long will it take?” That is the first problem. We should be asking several questions, and the value of their answers would be weighted against business goals. How long will it take? How will it affect future development (pace). How will it affect the forced total rewrite date (a broader view of the previous question). And my favorite, how difficult will it affect provability of system behavior? This point is greatly affected by frameworks which impose their own conventions (which change over time).