I am a TH8 with currently 71 gems. It costs 50 gems to boost all 4 Barracks + BK so I can raid every 5 mins.
But what would be better? Me save up 2000 gems for the 5th builder, or spend them on boosts (Which I've been doing)?
BTW: I have 4 builders, 3 of which always work and one spare to dump Gold into walls. I would like to have 4 builders work with one spare for walls. But is it smart to keep a spare builder?





