Is it worth upgrading traps?
I'm currently trying to max out my th8, farming like crazy, but I have two spare builders, and nothing left to upgrade but traps and my teslas which I'm currently working on. (I might not complete all level 8 walls before I pull the trigger on getting TH9)
But is it actually worth the money that traps cost to upgrade?
Is there any point upgrading them, especially when I need all the gold I can get at the moment.
Any tips or ideas? Personally I don't think it's worth upgrading a seeking air mine to level 2 for two million - I need all the gold I can get. But is it worth upgrading any other traps?