UserScript to be used with Tampermonkey (Chrome) or Greasemonkey (Firefox). When searching for buy-it-now items on eBay, shows the actual price instead of the bogus item price that some shitty sellers add.

ebay-bullshit.user.js

// ==UserScript==
// @name         eBay quit your bullshit
// @namespace    Puf
// @version      0.1
// @description  When searching for buy-it-now items on eBay, shows the actual price instead of the bogus item price that some shitty sellers add
// @author       Puf
// @match        http://www.ebay.com/sch/*
// @grant        GM_xmlhttpRequest
// ==/UserScript==

(function() {
    'use strict';
    var lis = document.querySelectorAll(".sresult.lvresult.clearfix.li");
    for(var li of lis) {
        handleLi(li);
    }

    function handleLi(li) {
        var href = document.querySelector("#"+li.id+" > h3 > a").href;
        GM_xmlhttpRequest({
            method: "GET",
            url: href,
            onload: function(r) {
                var re = /"convertedPrice":"(.+?)"/g, match, maxPrice = 0, maxPriceText = "";
                while((match = re.exec(r.responseText))) {
                    var price = parseInt(match[1].split(" ")[0], 10);
                    if(price > maxPrice) {
                        maxPrice = price;
                        maxPriceText = match[1];
                    }
                }
                var span = document.querySelector("#"+li.id+" .lvprice.prc .bold");
                if(span.innerText != maxPriceText)
                    span.innerHTML = "<span>" + maxPriceText + "</span> <small>("+span.innerText.trim()+")</small>";
            },
        });
    }
})();