So you have clicked at lot of places, adding items to your cart. To be sure about what you are ordering, click on the Shopping Cart section. There, you'll be presented a list of all the items you have chosen along with their prices and quantities and the total value of the order. You may change the quantity of any item. To view the changes you've made click on the "Update cart" button. If the order is right, click on the "This is it" button.