Pay $15 and get a $25 Amazon Credit with sign up for Audible Gold.

Right now, Prime members who sign up for a new membership for $15 will receive a $25 credit for Amazon within 10 days. 

The offer is for NEW Audible members. Also, the promo credit will expire after 90 days. If you don’t have Amazon Prime, here is a free 30 day trial. Then, if you decide you want to sign up for Audible, click here.