Change place order button text to include order total if using WooCommerce on your child site.
Snippet Type
Execute on Child Sites
Snippet
add_filter('woocommerce_order_button_text', 'place_order_button_with_order_total');
function place_order_button_with_order_total(){
return sprintf( '%s %s', __( 'Place Order & Pay', 'custom-order-button' ), strip_tags( WC()->cart->get_total() ) );
}