Some people think estimating is “crystal ball gazing” (@agilemanager, 2 Nov 2012) leading to “bad decisions” (@WoodyZuill, 2 Dec 2012). I’m not one of them.
I don’t always estimate. Nor do I necessarily estimate everything. But I find estimating helpful when considering investment proposals. This is true whether picking the next user story or commissioning an entire project.
Admittedly estimating is not an exact science so I think George Dinwiddie (@gdinwiddie, 27 Feb 2013) summed it up nicely when he tweeted that “estimates turn the unknown into the unsure, based on someone else’s expertise”.
I believe that even estimates with caveats help the business make better investment decisions.
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