Where do I sell VPN

I have few cyberghost VPN accounts with premium membership for one year where should I sell them.
Plan name:Special Edition 2
Plan Price: $26 Per Year
Selling It for $10
So where should I sell them.
I also have steam games keys where should I sell them
Currently available steam games:
Enclave: http://store.steampowered.com/agecheck/app/253980/
Thief Gold Addition: http://store.steampowered.com/agecheck/app/211600/

Selling Each Key for $1
Where Can I sell Them.
Where do I sell VPN

See original post by Mary101