hi all Lego sifu, I just started to collect the Lego minifigs series 13 and 14 but due to beginner's picit skills, i have a few duplicates. any idea where can i sell those extras?

Series 13 - Evil wizard
Series 14 - Gargoyle, mad scientist and zombie pirate

and any place which still has series 13 minifigs to picit? i m still without snake charmer, hotdog man and unicorn girl.