For a heavy amazon user such as myself, not much difference. Still very happy to continue using amazon. The math is simple. We probably have 5-10 shipments on average a month coming in. Most of it is for our kids (newborn/1 year) and includes subscriptions for milk, diapers etc. Just recently, my wife added another subscription for stuff like toilet paper, napkins. Without amazon prime, you might end up paying $3-5 on average. So that's almost $30-50 <i>per month</i>. So over a year, you might pay almost $500 in shipping if you use amazon like we do. So really a no-brainer. Not to mention the <i>super fast</i> shipping (many times next day) and hassle free returns for the most part.<p>I hate driving to a store just to buy household items that require no brain or thought process. Actually wait, I lied. I have even bought my TV, computer desk on amazon recently. So our visit to the "stores" is now pretty much limited to grocery. If I could, would buy everything online. Thanks Amazon Prime, you have a long term member. Please continue to do the great things that you do. Really waiting for the amazon grocery delivery service /fanboy<p>EDIT: I got curious and checked my last 6 months order history [0]. We had 73 orders in just last 6 months. For entire 2013, we had 85 orders.<p>[0] <a href="http://imgur.com/5IvQtQG" rel="nofollow">http://imgur.com/5IvQtQG</a>