Reply to Message

"Once the project starts, however, you generally do not have a lot of requests to change boundaries and deliverables"

I'd take issue with this comment, I find users frequently try to add to the deliverables list after the project starts. Maybe its just the nature of creating software products, but they think nothing of requesting just "one" more piece of functionality. Heck, sometimes they ask for entire new departments to be included in the project scope.