Darknet fiber is the way to go. But I don't know enough about internet backbones.
I do know that the side benefits of starting your own country could easily finance it. Surprisingly, this is somewhat relevant to Tipjoy if you go out on a long enough timeline.
If you ever have billions of dollars it becomes extremely economical and even moral to stage a takeover of Equatorial Guinea (a real, wealthy country with an evil dictator that CIA/MI6 wants deposed). Just to keep in the back of your mind.
I think of population of a new country a lot like hiring. You want only the best if you're really trying something new.
Most countries ripe for revolution probably wouldn't be stable enough for the goals. It's like Woody Allen quipped "I just don't want to belong to any club that would have someone like me for a member"
Perhaps more realistic would be terrestrial broadcast on illegal reserved frequencies. That really might bring military intervention, since the military owns a lot of those frequencies... but it sure would be nice for the people to take back our airwaves.