Data profiling involves incredible amounts of data, so figuring out where to start is a legitimate problem. There's also the issue of trying to decide between building an in-house data tool or buying one.
With so many issues, it isn't easy to understand where to begin. Well, the first step is identifying the different data domains and verifying that they are credible sources! Once you've started, you're on your way to clean, organized, and better quality data!