GameStop doesn't publish fixed prices; trade-in value depends on:
| Model | Cash | Credit |
|---|---|---|
| 4 GB / Arcade | $15–$25 | $20–$35 |
| 250/320 GB Slim | $25–$40 | $35–$55 |
| 500 GB / 1 TB (E/S) | $35–$55 | $50–$75 |
Pro tip: Sell on eBay/Swappa for 1.5–2× trade-in value. GameStop credit is convenient but low.