3 months
That depends entirely upon the school and organization. In some the time increases as you progress up the ranks, taking a year from 1st kyu to black belt. I have no specific time frame for promoting students, it is based entirely on their ability and dedication. Someone that works hard and shows up to every class is going to move faster than someone that doesn't show up very often.
Yes. The level of mental and physical strength/skills greatly influence your karate
It depends were you live.
12-20 months
it depends on how good you are
about 1 to 2 years
karate
No reason that you can't, as long as you take appropriate precautions to keep the uniform clean.
The original (made in 1984) is 126 minutes long and the reboot (made in 2010) is 140 minutes long.
it would take 3 or 4 years to get a black belt
Yes, Brenda Sung did take Karate. She originaly wanted to join dance classes. But she ended up joining Karate with her Brother, who now no longer takes Karate classes.
it should normally take 3-4 weeks. if not then your boss is twisted
No he was a full time in boxing and never did karate.