Cultivation of Immortality: City Construction Begins

It starts with selling spiritual liquid, artificial intelligence, exoskeleton armor, martial arts secrets, cultivation techniques, etc. Barracks, arsenals, military bases, biochemical research laboratories, can I, a little person, build these? Immortality is no longer a fantasy, leaving the solar system has become history, the top of the world, the top of the universe, beyond the universe... This story is purely fictitious and any similarity is purely coincidental. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.