Amazon Prime

I got 1 year free Amazon Prime when I signed up for Amazon student. I really appreciated free 2-day shipping, especially at Christmas time  When it came time to renew Prime, I was offered 1/2 price.  This year, I kept getting a notice that I needed to update the card, but no mention of whether the renewal was still 1/2 price.  I did a little searching, and the Amazon student membership is good for 4 years, after which I will have to pay full price for Prime.  I have discovered many benefits to having a Prime membership. I use the Kindle lending library, and now I found free Instant video.