This will be my 7th Grand Masters....and they are "INTENSE".
It pushes you farther than you expect and you are the one that has to do the pushing....
The mental leverage you need can be SOOOooooo exhausting, but the skill you gain is worth more than the cost of the tuition.
Think about it-----2 weeks with Alain Lovenberg sharing his knowledge, and I didn't have to travel to Belgium.
How many times can this happen in a person's life? (Very few)