Kindle Unlimited doesn't have ALL books. It doesn't seem to include many of the new releases or bestsellers. However, I agree that paying $9.99 a month in exchange of one audible credit for the first two billing periods is indeed a nice deal.
The middle half of legal secretaries earned between $32,900 and $55,800, whereas the top ten percent made $69,360 per year. The BLS stated that the vast majority of legal secretaries were employed in the legal services industry and made a mean salary of $45,250 per year as of May 2013.
According to PayScale.com, the median annual wages for entry-level unit secretaries in the 10th-90th percentile range was $26,000 as of September 2015. For mid-career professionals, the median salary was $28,000. Experienced unit secretaries made a median salary of $30,000, while late-career professionals made $32,000.