The only way I've found out is by calling the store and asking how much the item will trade for. They have books with all the information they'll look through and over time the prices will change depending on how old the merchandise is, so the more recently it was made, the better.
The Slackers was created in 1991.
The Slackers - album - was created in 1993.
Before There Were Slackers There Were... was created in 1999.
The duration of Slackers - film - is 1.43 hours.
The Question - The Slackers album - was created in 1998.
Slackers - film - was created on 2002-02-01.
The cast of Thieves and Slackers - 2004 includes: Kevic
Slackers was released on 02/01/2002.
Slackers grossed $4,814,244 worldwide.
Hacker
Props - 2007 Super Slackers was released on: USA: 20 November 2010
Slackers may offer a warranty for games. However, new merchandise that is opened or damaged is not able to be returned.