Marine grease on all the screws (I have an aluminium Axis setup).
$50 electric screwdriver!
$30 Torx wrench set.
Don't rinse the wings in fresh water after use.
Don't hang them up to dry ( the bladders can move out of position and pop next time that you're at the beach).
Snug-tighten the slider fasteners in the mast tracks so that they're always with the board.
Once I had my click day and consistently got on-foil I was amazed to find that it really was just as cool as it looked in the videos

