The latest Arc Raiders patch addresses how much you're paying to stash items for the Expedition. Now, the pricing doesn't stack, making it easier to put more of your favorite loot away once your character takes their caravan off into the great unknown.
In Arc Raiders, as you're likely aware, Ermal offers storage in the form of the Expedition Vault, for items you'd like your next character to access once this one goes. Previously, the five tiers increased in price the higher you went up, but Embark's changed it following insight from players - likely the part where people weren't investing due to how expnesive it was.
