I Become a Lord in Another World with an MC Cheat

A certain lord: I’m fabulously wealthy, and every knight in my territory wears fine iron armor. A certain noble: I’m richer than an entire country and command a million troops! Lin Luo: You guys are amazing! But isn’t fine iron supposed to be used for building city walls? Besides, I don’t have many people under my command, just a Saint-tier dragon maid and a bunch of ninth-tier subordinates. Isn’t that a pain?