Correct me if i'm wrong, but their are many units that are not worth buying or wasting lumber on, maybe if your in very easy mode? I think the only units worth buying are the marines, wizards, and maybe sniper. Can any of these units be buffed or... even if you maxed out Lt. Hello, he's gotta be close and towards the last stages all your units get wacked in 1 or 2 hits. I wanted to have fun with the poison guys (cant remember the name) but they dont get strong by upgrading, they just have set damage.... Maybe make or edit that unit so he can be buffed with upgrades.
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What about adding more upgrades to units (if possible), instead of the standard: armor, atk dmg... increasing range? add elemental atk dmg? Create a unit that has vamp aura, maybe add that to the commander? Please feel free to criticize or tell me this has been posted 3000 times...