i want to sell s7 edge. i got it on november. phone condition is new. how much it goes now.

http://l.instagram.com/?e=ATMML0y2cujk4DomUjptVwfbobJoIQl2zmatMvbLDx37VY5cblHKdg5J4fv6Jh9XpYGcduU&u=http%3A%2F%2Fbit.ly%2FGalaxyS8-Music-APK

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i always use fast charge while use fast charge it will affect battery

I use samsung cloud and on recycle bin I realise charge is going fast why.