Marketplace is Useless Without Outposts

Unlike in other similar game such as Evony, the Marketplace in this game is pretty much useless if the player doesn't own any Outposts. In GoodGame Empire, you can only give away resources to other players or to your outposts, you can't simply sell your extra resources and see who wants to buy the resources unless you make a real life trade. Marketplaces can also become a waste of land if you don't use it, which may force you to expand your castle when you don't have to. However, for me, I built a Marketplace in the castle of one of my old accounts and I use it to transfer the resources that are stocked up over time (because I don't use that account).