Recruit sensibly and fairly. Be honest with respect to the Interview preparation job description and the skills/experience essential to perform function. Unrealistic promises and expectations will just lead to disappointment in addition high staff turnover.
Sharpen your interview skills by hiring an interview coach. This is basically the fastest, most effective way to discover how you're coming across to a potential employer. Get the coach to role-play interview questions with you and evaluate your answers. Get a critique on how you're dressed, your body language, the entire style and general meeting etiquette. You'll almost be surprised at something you're doing a person need to shouldn't be