> From the client's perspective though, it just raises a bunch of uncertainty. It may feel good to have some of the times quantified. But... If your estimates

> From the client's perspective though, it just raises a bunch of uncertainty. It may feel good to have some of the times quantified. But... If your estimates are literally fiction. It won't stop being fiction in front of the client. You should really spend that energy that went into the estimate for something useful instead. Not to say you can't derive some useful information from a short planning session. Just don't expect anything other than thumb to the wind guesses.