Failure is inevitable in software. But expensive failure is not. Tools can save you from expensive failure. In this talk, Bethany will discuss data migration at Etsy and how it is a shining example of DevOps for the following reasons: the data migration team acknowledged that failure was inevitable and planned for it by building tools, the data migration team acted as its own developers, dbas and QA team, and the team used continuous integration to its advantage while making infrastructural changes. Bethany will show how expensive or catastrophic failure can be prevented by letting go of ego and using practical tooling.