At any time, you can view or change the contents of your cart by clicking on the "View Shopping Cart" link at the top of the page. You can remove items from your cart by simply setting the quantity to zero and updating your cart.
When you have finished collecting items to purchase, you can click on the "Place Order" link at the top of the page. You will be given the chance to verify your purchase before proceeding to checkout. If the shop owner accepts orders by postal mail, you will be given a chance to print an invoice to mail in. Otherwise, your order will be sent to a secure webserver to collect your payment and shipping information.