1. Arriving late.
2. Arriving too early.
3. Lighting up a cigarette, or smelling like a cigarette.
4. Bad-mouthing your last boss.
5. Lying about your skills/experience/knowledge.
6. Wearing the wrong (for this workplace!) clothes.
7. Forgetting the name of the person you're interviewing with.
8. Wearing a ton of perfume or aftershave.
9. Wearing sunglasses.
10. Wearing a Bluetooth earpiece.
11. Failing to research the employer in advance.
12. Failing to demonstrate enthusiasm.
13. Inquiring about benefits too soon.
14. Talking about salary requirements too soon.
15. Being unable to explain how your strengths and abilities apply to the job in question.
16. Failing to make a strong case for why you are the best person for this job.
17. Forgetting to bring a copy of your resume and/or portfolio.
18. Failing to remember what you wrote on your own resume.
19. Asking too many questions.
20. Asking no questions at all. | 
