You should never settle for less than you're worth.
Jane is interviewing for a job as a marketing manager.
Jane wants to work for this company.
Jane is offered the job but details reasons why she is worth more than the original offer.
Jane is offered the job but does not negotiate her salary and takes one lower than average.
Jane is hired at a higher salary, and she is able to afford many more things the rest of her life.
Jane will always make less money the rest of her career because she started off making lower.