I understand why people want to get to the higher level quickly, but you may be underestimating prerequisites … people talk about age, knowing halocho, but look at Kiddushin 71: The forty-two-letter name of God may be transmitted only to one who is discreet, and humble, and stands at at least half his life, and does not get angry, and does not get drunk, and does not insist upon his right
Are you even at minimum level in these middos? Are you saying that your rebbeim figured out shortcuts to skip these? If yes, why are you so interested in taking these shortcuts instead of working on yourself? This is like running a marathon and getting a ride for a part of it.