How should I sell my old parts?

unplanned bacon

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Jan 11, 2014
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I have a Gigabyte H87 HD3 motherboard which was used for about a year or so. It works perfectly fine. It was replaced by an MSI Z97

I also have a TP Link 802.11n WiFi adaptor (think it's a 300 mbps one, maybe slower I'm not sure. I have a Corsair CX600M and my old Zalman Z11+ case.

I thought about keeping thhese parts to build a super low spec build in future, but it's unlikely. So what should I do with them?