If you cancel your Prime membership within the first six months, you will receive a full refund. After that, you will not be refunded for the remainder of the year.
Yes, canceling Prime immediately ends your membership.
In addition to free two-day shipping on millions of items, Prime members also get access to a host of other benefits, including:Prime Video: Watch thousands of movies and TV shows, including original programming, with no added fees.Prime Music: Listen to over two million songs ad-free.Prime Photos: Store unlimited photos in the cloud and share them with friends and family.