It’s no secret that trading in your old consoles or videos games at a retail store will not give you the best amount of money or value for your goods. Typically, these stores will only give you credit towards future purchases, not cash. And the credit does not amount to even 1/10th of the value of the item you are trading in. Instead of doing this, you should seriously consider selling your items to individuals online.
If you have a collection of very old games or consoles, then you can check online to see how much these are worth based on the condition they are in. If you have an old Atari 2600 in good condition, you may be able to get a good amount of money for it, especially if it has some decent games to go with it.
Occasionally, you may find that one of the games in your collection is actually a cult classic or rarity. This is the best case scenario as the value will only go up for that particular item as it becomes harder and harder to find. So maybe you would like to hang onto it for a while longer and let it go up in price.
For the most part, you should check for the going rate of each individual item and list each accordingly. This will take the most time, but will net you the most profit. You could also offer a bundle, listing those choice items specifically to increase the overall price.
But, if you are in a hurry and want cash right away, then try a pawn shop (like this one at http://www.uspawnjewelry.com/) instead of a game store. You should be able to get cash as opposed to store credit and will typically get paid a bit more.