Selling DVDs and CDs?

[vipersnest1]

I need to seriously downsize and own a ridiculous amount of films and music, so I'm hoping for recommendations of the best way to do it.
TIA.

If you have the time, eBay.
Alternatively download the Music Magpie and/or Ziffit apps. Be aware that they are unlikely to be worth very much. I was offered 20p each for most of my CD collection. My most valuable was "Busted - Greatest Hits". I think that was £1.50!