The text-based ecommerce links only allow you to buy one item at a time. If you would like to purchase multiple items in one transaction, please scroll down each product page and look for the big green ecommerce buttons as shown under this example graphic:
Solution 2: Just use the “quick checkout” links to place multiple separate orders. You can choose to have your customer data saved during the checkout process to make ordering faster and easier. We will know what’s up when your multiple orders come in, and we can merge them into one. We apologize for the additional time you have to spend doing this.
Solution 3: Figure out [a] exactly what you’d like to buy and [b] if it is available, and then contact us for a custom invoice so you can skip the whole shopping cart thing. You can still pay online with a credit card or Paypal, but with a pre-defined order written just for you.