Mod that allows users to sell and buy items

[GrodanBoll]

Been searching my ass off of to find a mod to vbulletin 3.8 that allow users to simply sell their items to other users. but I don't find any mod... tips are welcome!

[ForceHSS]

<a href="https://vborg.vbsupport.ru/showthread.php?t=230543" target="_blank">https://vborg.vbsupport.ru/showthread.php?t=230543</a>
Not sure if this does what you want never used it myself or have read the op post closely