I'd check ebay first. If it's like HDMI cables and such, there's probably a market for them, especially if they are new. Other cables like USB cables and stuff, probably no market for that. In my experience at least there's not. I sell on ebay constantly. The printer cartridges you could probably sell on ebay too. I found some printer cartridges in a Staples dumpster one time that were expired but still put them on ebay and they sold to my amazement. At a pretty good price too!