To purchase multiple products, start by visiting the product detail page of your desired item. On the right side of the website, you will find the cart option. Simply utilize the "Add to Cart" button to add the elite product of your choice to your cart. A confirmation message will appear to notify you of the successful addition. You can then click the "View Cart" button to see the product you've added or check the cart icon on the top right corner of the page to view all selected items.