One of my interview coaching clients recently asked me, “Why do technicalities in video interviews matter so much?”

Recently I learned something new about how to answer the question, “If we offered you the job, when could you start?” And no, it’s not a matter of saying “Whenever you want me to.” You need to understand why they’re asking. It’s a test!

You may have a general understanding of how to ask questions in a job interview, but here are three facts that may surprise you—and help you land the offer.