Access to Prime Day is one of the most notable benefits of Amazon’s loyalty program, but that just scratches the surface of what perks a Prime membership offers. You also get fast, free shipping, an included Grubhub+ membership, Whole Foods grocery delivery and more. And while Amazon’s Big Spring Sale, which runs from Mar. 25 to 31, is open to everyone, Prime members can unlock exclusive deals during the event, helping them save even more. Below, I break down everything that’s included in an Amazon Prime membership to help you decide whether to sign up. Want more from NBC Select? Sign up for our newsletter, The Selection, and shop smarter. What is Amazon Prime? Much like Walmart Plus and Target Circle, Amazon Prime is Amazon’s paid loyalty program, which originally launched in 2005. Shoppers in various countries can join, and it gives members access to perks across shopping, streaming, entertainment and more. Amazon also offers loyalty programs in the form of a store credit card and anAmazon Prime Rewards Visa Signature Card. Prime members with …