I think there is some truth to this. I was better than most devs when I was in a big organization (due to reading Steve McConnell's the black art of software e

I think there is some truth to this. I was better than most devs when I was in a big organization (due to reading Steve McConnell's the black art of software estimation), but starting my own consultancy has made a huge difference. Nothing like eating a part of an invoice to keep a client happy because you mis-estimated to take your estimation skills to the next level.