How do you order 3 things at the same time on amazoncom?

To order three items simultaneously on Amazon.com, first, search for each item you want and click on them to view their product pages. Select the desired quantity and click "Add to Cart" for each item. Once all items are in your cart, click on the cart icon at the top right of the page, review your selections, and then click "Proceed to checkout" to complete your order. Follow the prompts to enter shipping and payment information to finalize the purchase.