Adding https://www.neopets.com/market.phtml?type=your* to the user matches list in the setting does make the "check prices on this page" button show up. However, I am getting an error from jellyneo that the HTML source code the script pasted into the tool is invalid.
Adding https://www.neopets.com/market.phtml?type=your* to the user matches list in the setting does make the "check prices on this page" button show up. However, I am getting an error from jellyneo that the HTML source code the script pasted into the tool is invalid.