Max all four training camps or keep using two for training 1* and 2*?

[Garanwyn]

This post gives pretty reasonable advice on a target setup, without knowing more details about your spending habits and goals:

TC Strategies to efficiently level heroes

Best set up to level heros the fastest. I posted something a while ago. Here is a picture of my training camp setup. Two at TC 11, one at TC 20, and one at TC 4 but you only need that one at TC 2. Keep at least one going in TC 20 to try for 5* hero. I have two in the TC 11 camps producing extra low cost heros every two hours. The last camp I cycle between using swords and the swap to backpacks. In one day running this set up I produce 80 heros in one day. You just need to auto farm 8-7 …