buying and selling

I dislike posting this here, but there isn't a trade or buy and sell forum. Please give this thread the boot with my blessing if it's not suitable. I was interested in the thorough rebuild given to the PS4 Pro by Hothicron on the PS4 Pro reddit. I could perhaps manage the HDD, but the other...

Just an idea at the moment but im just sounding out how many people might be interested in an auction site entirely dedicted to PC components. is it a good idea to have one place to look for these, or is it redundant if we already have other ways to buy? is there anything missing from the way...