The Color of Money — Chris Potter (CC BY 2.0)Update Jan 26, 2019: It has been brought to my attention that the claim “fixing a production bug may cost 100x more than fixing a bug at design time” is apocryphal. I still stand by the positive ROI and timesaving powers of TDD, but you should read this as a subjective opinion rather than scientific fact. Our industry is in great need of better data col