Undead also differ from the other factions in that they will need to use their simplest combat unit -- Ghouls -- to gather lumber. The trade-off is that Ghouls gather 20 lumber per delivery instead of the Human and Orc's 10, along with the Night Elves' 5. They are also much more defensible, should your opponent target your workers.
Night Elf or Undead players may find their starting mine ready to use, won't need to be worried about Haunting or Entangling right away, before,the first Gold Mine collapses. That's corre