In order to unclutter my Sims' inventories, I bought a few chests to store the collectibles by category - minerals in one, herbs in the other, etc. It seemed to work in TS3. But in TS4, it seems that all the chests are linked, and whatever you put into one, goes to all of them. (The same is true for bookcases.)
Is it a bug or is it how things work in TS4? Is there a way to separate the containers?