I think jacare hit the nail on the head really.
There's no point in taking supplements to get into shape if your'e not going workout at the gym.
Personally, as a musician, i may ask the universe for help on a certain aspect on my performance and a book may just jump out at me in a shop, or someone will give me some very helpful advice.
So i see the LOA as something that can lead me in the long term but can also help me overcome obstacles in the short. Yeah i feel it's alot like a GPS system