its expensive..
I've installed one for this company... and costed $$$
Firstly.u gotta dig up the ground..then hire special ppl to cut the damn thing.
Coaxials most expensive and slowest - altho some textbook thinks twisted pair is.
Twisted pair is next slowest and the cheapest. texbook say they are slow cuz they have no idea. There are diff categories to twisted pair, and category one is the telephone line, one u use modem on..the it goes up to category 6 which give u 1 GB/S data transfer rate..
fiber optics most expensive and the fastest.