Receive/Give Gold/Lumber

It is very frustrating when you finish the round and you can't up your tiers because you don't have 1 or 3 more gold. Or for example, when you have gold but you forgot to up your farm and you don't have sufficient workers to pick it in time, It would be good if you can receive or give lumber from/for your Allies

But it is just a suggestion

Bad idea. Something like "cheats".