diff --git a/scripts/ebaypricer.js b/scripts/ebaypricer.js
new file mode 100644
index 0000000..d7c56c6
--- /dev/null
+++ b/scripts/ebaypricer.js
@@ -0,0 +1,48 @@
+// ==UserScript==
+// @name         ebay pricer
+// @namespace    ebay-pricer
+// @version      1.0
+// @description  Adds shipping costs into the displayed ebay listing price.
+// @author       Stabosa87
+// @match        https://www.ebay.com/*
+// @grant        none
+// ==/UserScript==
+
+(function () {
+    function money(text) {
+        let m = text.match(/\$([\d.]+)/);
+        return m ? parseFloat(m[1]) : 0;
+    }
+
+    function update() {
+        document.querySelectorAll("li.s-card").forEach(card => {
+
+            if (card.dataset.priced) return;
+
+            let pricel = card.querySelector(".s-card__price");
+            if (!pricel) return;
+
+            let price = money(pricel.textContent);
+            let shipping = 0;
+
+            card.querySelectorAll(".s-card__attribute-row").forEach(row => {
+                if (row.textContent.includes("delivery") && row.textContent.includes("+$")) {
+                    shipping = money(row.textContent);
+                }
+            });
+
+            if (shipping > 0) {
+                pricel.innerHTML += ` <span style="font-size:.85em;color:#666;">(or $${(price + shipping).toFixed(2)} total)</span>`;
+            }
+
+            card.dataset.priced = 1;
+        });
+    }
+
+    update();
+
+    new MutationObserver(update).observe(document.body, {
+        childList: true,
+        subtree: true
+    });
+})();