How I did it:
Started on clarinet.
Began saxophone three months in (continuing to play clarinet).
Played in an orchestra, concert band, jazz band in middle school.
Then marching band, jazz band, swing band in high school.
With private lessons during this time.
Started practicing ~30 minutes a day in the beginning and gradually more as I got better and it became more fun.
Long tones every day.
Learned all major schools during middle school.
Practiced with a metronome.
Lessons & tips:
Play less material, but really master it.
Play long tones every day (takes about 8 minutes)
Use a metronome!