There is a warehouse in each city and all warehouses are accessible, that is, you can deposit and withdraw your money and items at any warehouses.

 

Interface
You can click up and down arrows to view more items, and click Money or Items buttons to deposit / withdraw money or items.

Operations:

Deposit Items
Click a Warehouse Keeper to open warehouse and inventory window, drag the target items from the inventory to the warehouse, click a warehouse slot to deposit.

Retrieve Items
Click a Warehouse Keeper to open warehouse and inventory window, right-click the target items in your warehouse to place them back into your inventory.

Deposit Money
Click a Warehouse Keeper to open warehouse and inventory window, click "Money" button to enter the amount in "Amount" field, then click "Deposit" to deposit your money into the warehouse.

Withdraw Money
Click a Warehouse Keeper to open warehouse and inventory window, click "Money" button to enter the amount in "Amount" field, then click "Withdraw" to place your money into your inventory.

Gold
1) You can deposit 4.2 billion gold in your warehouse
2) You can carry 4 billion gold in your inventory
3) You can trade up to 2 billion gold for a trade
4) While peddling, you can set an item's selling price up to 2 billion gold