tuxfighter

remove_action( 'woocommerce_archive_description', 'woocommerce_product_archive_description', 10);
add_action ('woocommerce_after_shop_loop', 'woocommerce_product_archive_description', 40);

span.byline{
    display: none;
}

https://codecanyon.net/item/uni-cpo-woocommerce-options-and-price-calculation-formulas/

https://codecanyon.net/item/woocommerce-extra-product-options/

суть его я думаю понятна.