Estimating a Project for Planning Purposes
When a project or collection of projects is in the idea or concept stage, you want to put together a high-level estimate to see whether or not the project is worth pursuing. You typically do not want to spend too much time working on a detailed estimate at this point, since you do not know if the idea is a worthwhile. Basically, you just want to know the relative magnitude of the effort. While you may be asked to provide a high-level estimate of the cost, the business people are also struggling to try to understand and quantify what the benefits of the project will be. …

