Topic
PartPlanner posts about selling. 3 articles.
Used gaming PC demand follows the calendar. Here is the window that gets you the most money, and why mid-September is for buying, not selling.
Parting out usually beats selling an old PC whole. Buyers pay full price for the exact part they need, but demand a discount for a whole old machine.
Before you list a used PC, benchmark it, do a clean Windows install, write the full spec and photograph it properly. The prep that sells it faster, for more.