Boosting Barracks while Barching?

I have:
4 Barracks and I was wondering when I boost them, how many should I do? 2? 3? All 4?
I have been doing 4 and whenever come back from an attack it is always ready.
Am I wasting Gems?

I like to go with these while i train:

Lvl 9 Barrack: All Barbs (60)
Lvl 7 Barrack: All Barbs (50)
Lvl 7 Barrack: All Archers (50)
Lvl 7 Barrack: All Archers (50)

Please tell me if you have any experience doing this. thanks for all your guys' help!

I love boosting barracks when barching. If loot is decent I boost three, two on archers and one on barbs. If loot is slower I bost two.

I only boost if I know that I'm going to be on for the next 2 hours or when the loot is good. If you want to use less gems, boost ur highest lv barrack and fill it with archers. Fill the other 3 with barbs.

Paladin

Quote:

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Originally Posted by Wuxia

I love boosting barracks when barching. If loot is decent I boost three, two on archers and one on barbs. If loot is slower I bost two.

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Will try it out :D I have about 1.2k gems that I bought just for boosting! Buying 10$ worth of gems and using it all for boosting is a lot more efficient than spending 400 gems for one skull wall. Lol

Quote:

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Originally Posted by Ma77hew

Will try it out :D I have about 1.2k gems that I bought just for boosting! Buying 10$ worth of gems and using it all for boosting is a lot more efficient than spending 400 gems for one skull wall. Lol

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Haha, yeah never gem walls, those you wanna farm. But boosting barracks is good to be able to farm better and staying online.