Well regardless of no one being around I'm making major progress and I will be needing builders sometime in the future.
+Be efficient. If I see you building a wall out of 4x1s(or, god forbid, 2x1s), something is seriously wrong.
+Structure rather than detail. Looking for functionality rather than piles of eye-candy at the moment.
+Have a plan to kill everyone you meet. They want to destroy your precious work.
Be ready to build tomorrow if you want to help.