Add note about expiring sessions

Author: JakeSteam

_posts/2025-10-11-automating-steam-trading-cards.md

@@ -4,6 +4,7 @@ image: /assets/images/banners/steam-cards-banner.png
 tags:
   - Steam
   - Automation
+last_modified_at: 2025-10-15
 ---
 
 Steam Trading Cards have been out for a _long_ time, but you probably didn't realise you likely have tens of games with earning potential just sitting in your library! Here's how to earn and sell the cards quickly.
@@ -63,7 +64,7 @@ Since Idle Master Extended needs to join games and monitor card drops on your be
 
 To find these details:
 
-1. Go to <https://steamcommunity.com>.
+1. Go to <https://steamcommunity.com> (not the store!).
 2. Open the developer console (`F12`, or "More tools" -> "Developer tools" in Chrome).
 3. Select the "Application" tab at the top.
 4. Select "Cookies" under the "Storage" categories on the left, and click `https://steamcommunity.com`.
@@ -72,6 +73,8 @@ To find these details:
 
 Once submitted, Idle Master Extended will log in, show "Idle Master is connected to Steam", look up your card eligibility, and start farming cards.
 
+_Note: Your session will expire every 2-3 days for security, indicated by Idle Master Extended showing an "X" next to logged in status, so you'll memorise these steps pretty quickly!_
+
 [![Steam Community session cookies](/assets/images/2025/steam_cookies.png)](/assets/images/2025/steam_cookies.png)
 
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