Data migrations are never as straightforward as you think they’ll be. I should know—I’ve partnered with clients on dozens. That means I’ve learned a lot of things about migrations—some of them the hard way. My biggest takeaway is that some discovery work and pre-planning can save you both pain and unpleasant surprises. While that’s not a ground-breaking idea—and it obviously applies to more than just migrations—there are some crucial things to consider during your migration prep.