Which of the three cards is the best to get into Amazon Prime?

When you buy an Amazon Prime membership, you get access to a huge catalog of titles and video content for just $99 a year.Amazon Prime members get access for free, so this is a huge deal.You can also get a free trial of a free 3-month membership, or a year's subscription for $9.99, and get unlimited access to Prime Music.All that for just a few dollars.The subscription plans also include access to...