Bad build practices take a hidden toll on teams. It is not uncommon for a new developer to take days or even weeks to establish a functioning workspace. Good build engineers can make all the difference. By treating the build framework with the same respect as other source code they can help prevent these problems. In this clinic we will show how to refactor your build approach to end up with sustainable practices that get new people up and running quickly and set the stage for long term productivity. While the workshops are in Ant, the concepts are portable.