Used to go to world gym Ronkonkoma ny, maybe 20 years ago. And every day ask questions to a guy there. Impressive physique. A year later saw him on a met rx ad. Was joe pacello ifbb pro. Asked him why he didn't saw, he just smiled. Was very down to earth. Good guy.
Working out at Adirondack barbell and getting to talk to bill Crawford every day and work out with them priceless ..
Read a lot on nutrition, and other basics.
Learned the most by actually competing. Best way to learn.
25 years later (started at 10) still learning .
Read some Dave tate, Eric cressey, etc
However it's not always best to learn from articles and dvd's. People have stated watching dvd's etc. That and in person are 2 different things. Things are changed for the dvd's. Plus you're seeing what a pro does now, not for the 20 years before. Plus you're probably not on the same "regimen" so to speak. Have seen people with glucose iv's to replenish, etc....
Watching dvd doesn't compare to actually experience. If you want to really learn, take the dive and compete... it's the best learning experience.