Items in the Rookie packs are untradeable. You can buy item packs with real money, or sometimes there are free item packs available to claim at no cost. Item Packs are a new way of buying items in the item shop.
Occasionally, special items will have custom pricing that varies from the above guidelines. Special Editions: 200-400 additional Credits.Titanium White: 100-500 additional Credits.Most paint colors: 50-200 additional Credits.Paint and special editions now add less cost across the board, based on rarity: Reduced the base price ranges of item rarities (before attributes like paint) to the following values:
As of Patch v1.71 the new item pricing is as follows: Item Pricing Reductions