Estimate are useful in software businesses for a wide variety of important reasons: - so you can tell the customer when they can reasonable expect to get somet

Estimate are useful in software businesses for a wide variety of important reasons: - so you can tell the customer when they can reasonable expect to get something they need - so you know when you will need to be ready with the next project on the agenda - do that you will know when you might consider adding resources to a project to make it go faster (yes, this is not always possible, but it sometimes is) - so that you will know if your funding runway is sufficient for your R&D needs - so that you can compare two or more different projects when deciding what to work on; time to completion can be an important consideration in these decisions