WooCommerce - Hide all prices

gistfile1.php

<?php
/**
 * WooCommerce
 * --------------
 *
 * Hide all prices in your store.
 * 
 * Can be useful when using WooCommerce as a quote tool.
 *
 */

add_filter( 'woocommerce_get_price_html', 'myprefix_hide_all_wc_prices' );

function myprefix_hide_all_wc_prices( $price ) {
	return '';
}