Build for Super Forms with flexibility in mind. Meaning you have full control over how the user is being redirected to the cart or checkout. You will be able to add products to the cart based on user selected data/values. You can even use dynamic pricing when Name Your Price is installed. For the first time you will have full control over what will be added to the shopping cart. Add custom fees, apply custom discounts and even allow to add unlimited dynamic products.

Demo: https://codecanyon.net/item/super-forms-woocommerce-checkout/18013799