Top Clash of Clans hack tips for Clashers
9 Make Your Wall Breaker an Elixir Bank!
Probably, the only thing that you have to know is that your barracks are being used in order to train your troops. But, you are definitely wrong as there will be one more benefit that you can get from it. If you are going to notice, you can actually queue more number of troops that you can train from it, even though you are not really online. So, when you do that, the elixir will already be used, but you can cancel it anytime. And, the best for you to use is the Wall Breaker which could have the highest cost and only eat up, total of one slot.