Is a Pace Chargecooler upgrade kit and standard chargecooler actually worth anything 2nd hand? Years ago these seemed to sell easily but now i see em for sale but do they actually sell? what sort of money do they sell for?

Also what about a genuine Escos parcel shelf but has been cut for 6x9 speakers, is this only good enough for the bin?

I ask as i dont want to bin these items if they are rare and people still want this kinda thing.

your help would be gratefully received