When we refer to something as being "common sense," we usually mean that it is something we think everyone should know. Often, though, it turns out that what may seem like common sense to one person isn't always so to someone else. For example: Veterinarians spend their days around animals, so they might consider it common knowledge that cats sleep about 18 hours per day; hence the reason your vet seems so amused when you bring Muffin in for a checkup, concerned about her inability to stay awake.
Similarly, because human-resources professionals constantly screen and interview candidates, what may seem like a common-sense interview tip to them might not have crossed a job seeker's mind. Following are "common-sense" interview tips straight from the experts' mouths.