Originally Posted by
zachUVA
Haha, spend the money if you like, but just try to be smart with what you do with the gems. Barracks boosting is the most efficient way to convert gems to resources, because you just keep raiding for 45 minutes straight. Boosting barracks isn't your only option though. Gemming the upgrade times is very useful as well, for example. I do agree with your OP that walls could benefit from some upgrades, and your teslas and archer towers are subpar as well. Personally, that is what I would focus on.