They wear out faster and you will have to replace soon
brakes.
It depends if you ride on your brakes. Some people ride there brakes all the time. It also depends on the quality of the brakes. Try getting the life warranty / ceramic brakes. Last longer / free replacement / less dust.
brakes.
ummmm helloooo duhhhhh!!!!!!!!!!!!!!are you an idiot
Depends on where you intend to ride. But If you are going to ride in traffic I'd recommend two.
no power brakes....harder to stop
Depends on where you are riding it. If you stay in bikeparks and backyards it's OK, but if you ride it in traffic you have to have brakes.
You will wear out the brakes prematurely and you may also overheat the brakes and experience brake fade (no or poor brakes).
no
HA NO BRAKES!!!!
It is broke.
Elisha invented the elevator brakes so people could safely ride elevators.