To retrieve your items, all you have to do is find another Camp item, throw it down, and then interact with it.
Because Fortnite changes all the time, there will always be things to familiarize yourself with. Chapter 3, Season 2, for instance, added Camps. These items – basically tents that you hold in your inventory – can not only heal you but also store items between games. By paying 100 Gold Bricks, you can store a legendary for a later day. To retrieve your items, all you have to do is find another Camp item, throw it down, and then interact with it.