Agile approaches are often considered only for slippery-scope projects in which the sponsor piles on work and the project manager gladly adds time to the schedule and spends more money. This article discusses project management practices that excel in a world of hard constraints, high expectations and major pressure, which is what agile approaches actually do. It details how project managers break down business objectives into a detailed scope statement, extrapolate a schedule and budget, and then charter a project defined by those parameters. It then looks at what happens when a sponsor wants to add more deliverables and how those constraints are put to the test. The article details how project success hinges on numerous factors and notes why scope creep is such a common problem. It also reviews how agile approaches help to see the sponsor's definition of value clearly. The article concludes by examining how to stay within business constraints.