The allay has a single inventory slot to hold a stack of items (usually 64 items) in addition to the item it got from the player. So, this will make having an allay find unstackable items, like potions, tedious.
I also have a standalone chest by the farms for farming equipment and another standalone chest by the fires for fuel. This tends to be enough for me to maintain a reasonably clean solo base for a couple years, so long as I avoid storing more than stack of anything (eg. si...