Tutorial
Step 1: After building a Form with full information of the products and a total price field at the end (you may apply a Hidden Field, Number Field, or Calculated Fields for your form). Then you must create a Submit button and choose “Woocommerce add to cart” in Actions After Submit.
Step 2: Add Product ID and Price Field Shortcode into WooCommerce Add to Cart.
– You can add all field shortcodes (information product) without Price Field Shortcode to Custom Order Item Meta.
*In case you want to redirect to Cart Page in a new tab.
Implement Redirect in Action After Submit.
Then embed this URL into Redirect Box:
http://your site URL/cart