Car Dealership Question:

Now's not the time to drag out the old, "I'm a perfectionist and it frustrated a prospect once," narrative. Dig deep and show your interviewers you have healthy self-awareness and the ability to learn and proactively move on from your mistakes.

Talk about a time you lost a client because you were so focused on closing a bigger fish, and mention how you've taken those lessons and avoided making the same mistake again.