Pppfffffttttt... Forget this. We need to start throwing up a Dyson Sphere.
We need to go full on efficient; showing our civilization's muscles by harnessing the entire energy output of our star.
Next, Intergalactic war ships with photon torpedoes and high-tech cannons and warp drives and stuff. Our Dyson Sphere will require the utmost protection from alien invaders.
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