How much could i sell a used Iphone 4 16gb for?

Its in good condition and everything.normal but little scratches on the screen.everyhting else works perfect

$200 on craigslist
a lil more on ebay

$196 from a reputable company online.

That "reputable" company has over 185 complaints filed on the BBB. Http://www.bbb.org/reno/business-reviews/recycling-computers-and-other-electronics/laptop-and-desktop-repair-in-reno-nv-4001245
Stay away. Look up its value here:
http://www.gadgetsalvation.com
It's a BBB accredited company.