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#Coc builder base 4 upgrade
![coc builder base 4 coc builder base 4](https://i.ytimg.com/vi/NBNUIulktAI/maxresdefault.jpg)
You can upgrade it later because its marginal benefit becomes minuscule compared to its cost. At this level though, only lvl1-2 is cost efficient. You can activate it 3 times per day to save up to 3.5 hours per day at BH9. You also unlock the clock tower which is a relatively powerful building which can dramatically speed up your progress. You need to build your 4th army camp so that you can bring 33% more barbarians in your raids. This time, upgrading barbarians don’t increase their numbers so they are a lower priority. 120k elixir is better spent elsewhere, especially because trees provide more gems them the mine itself! At this level, it is not worth it for its return. You’ll notice that I’m neglecting the gem mine for BH3.
![coc builder base 4 coc builder base 4](https://i.ytimg.com/vi/CrPkR8mMXoA/maxresdefault.jpg)
You may need to skip some upgrades to do something lower down if you don’t have enough resources.īarbarians are the strongest and quickest troops to upgrade, so they will be prioritized over everything else. All the upgrades below are to be done as soon as you have the resources to do so. Unlike the main base guide, this will show the direct path to the builder hall upgrade. You start out with a few buildings already placed to help you out. The in-game tutorial will bring you to BH2 immediately which is where my guide will start. Rushing quickly becomes a strong positive feedback loop which allows you to snowball your advantage. The earlier you rush, the faster you gain loot, the faster you progress and the stronger you become.
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You want to rush asap in this section of the game. Read my General BH advice before reading this.