Flip it around: it's really hard to budget, plan for staffing, make commitments, etc. without the ability to give estimates of this sort. The best thing to give

Flip it around: it's really hard to budget, plan for staffing, make commitments, etc. without the ability to give estimates of this sort. The best thing to give yourself when giving estimates of a dificult sort is the freedom to be wrong, and the ability to express how confident you are in such an estimate.