There are below options available in the Template

01) Product upsell

→ Add a product that you like to show for upselling and let your customers buy/order it with the product added in the cart.

Product Upsell

02) Cart items

→ Customize the cart items and show some more products for more sales.

Cart Item

03) Checkout button

→ Design the checkout button and redirect users to the checkout with the added cart items.

Checkout Button