The document discusses 8 common mistakes made during job interviews: 1) Dressing inappropriately for the position or company culture. 2) Focusing too much on oneself rather than the job during answers. 3) Providing long-winded answers that ramble rather than being concise. 4) Being unable to clearly articulate one's qualifications and strengths when asked basic questions. 5) Leaving a cell phone on or using it during the interview. 6) Arriving late to the interview. 7) Knowing little about the company's culture or mission. 8) Speaking negatively about previous employers.