Black Sitehd -

: These are used for creating medical items and attachments. While useful for survival, they generally yield lower profit margins than ammo or armor.

Upgrading specific sections of your Black Site allows you to craft valuable items that can be sold on the auction for profit. Black SiteHD

: These are your primary sources of income. Upgrading them to Level 3 is essential as it unlocks the ability to craft all ammo types and high-tier wearable gear. : These are used for creating medical items and attachments