The Base Shops are located in the base near the Ancients.
Items that are bought from the base shop can be directly put in the stash. It does not matter from which of the base shops the items are bought from, the stash remains the same. This means you can put items from the courier in the stash on one side of the map, while taking it from the stash in the inventory on the opposing side.
List of items
Apart from the items listed below, all itemcan only be bought from the base shop.