Isn’t this common knowledge? It takes time to properly prepare them and you don’t want to do that casually. And if it’s a headhunter... - Be explicit that the

Isn’t this common knowledge? It takes time to properly prepare them and you don’t want to do that casually. And if it’s a headhunter... - Be explicit that they need your permission to send their resume somewhere else. - Don’t tell them where else you’re interviewing.