This script auto stocks your shops.
// ==UserScript==
// @name Subeta Stocking
// @description This script auto stocks your shops.
// @version 1
// @author Unknown
// @match *://subeta.net/user_shops.php/mine/*/quick_stock
// @require https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js
// @grant none
// @icon https://subeta.net/favicon.ico
// @icon64 https://img.subeta.net/items/bottle_apothecary_01.gif
// @namespace https://greasyfork.org/users/133026
// ==/UserScript==
if ($('div.four.wide.column.left.aligned').length){
$("button[x-type='shop']").click();
window.onload = $("input[class='ui button huge green']").click();
} else {
// Do something if class does not exist
}