You also have to realize that the Kardashev scale [0] is something invented by someone in 1964. It's more a science fiction idea than some law of nature. We can

You also have to realize that the Kardashev scale [0] is something invented by someone in 1964. It's more a science fiction idea than some law of nature. We can't take for granted that this is some natural progression for every technological civilization. > it just makes sense to only needing to build the facilities to collect the power from existing sources (stars, black holes) without the logistics of transporting the fuel. Yeah OK, but then you have to transport your entire reactor to the fuel. For that matter, you also have to transport the energy where it's needed once you've harnessed it. [0] https://en.wikipedia.org/wiki/Kardashev_scale https://en.wikipedia.org/wiki/Kardashev_scale