You may place an order to purchase goods advertised for sale on this site by calling our office or following onscreen prompts after clicking on the item you wish to purchase. You will always have an opportunity to check and correct any input errors in your order up until the point at which you place your order by clicking the "Order with obligation to pay" button on the checkout page. If you submit an order for goods via this site by clicking the ['Order with obligation to pay'] button, your order is a valid offer to purchase the goods.