That sounds easy? - 1
Not really. There are a number of challenges, such as:
- First and foremost, the problem of managing project scope
- As we discussed in Issacons 1125 - 1137
- A lack of understanding generally that estimates are no better than just best available assessments
- And only as good as the data they are based on
- An unrealistic expectation of accuracy
- Hence an estimate should be expressed as a range, not as a single number!