ProfileGrid market place

Hi;

Does ProfileGrid offer an extension or option to add a marketplace where registered members can sell digital goods that all members could purchase? If so, it would need the function that allows me as the website owner to preset a percentage of the sales as my fee for letting users list their goods for sale and process the purchase.

If not do you have any suggestions that would allow me to do this? I am using ProfileGrid with bbPress on my site.

Thanks

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