Cybertardis

To move your network closet to the garage properly you would need to recable your entire house. Depends on how difficult that would be, it might be the best option because cat5 cable is fairly slow. Cat6 or cat6a world give you a significant speed and bandwidth boost.

I would recommend the Red Rising series by Pierce Brown. Every book takes place on a different planet with an amazing amount of character building and detail in the plot.