Naw, all you need is somebody with a boat to take you out, preferably somebody who knows at least how to get up and teach somebody how to get up, and somebody with a tower on their boat too. The tower makes a huge difference because otherwise, you'll just get dragged down by the boat, and it really sux.
But yea, once you get up, you pretty much just have to learn balance and control so you can start going over the wake, then jumping the wake. Cuz once you can jump the wake, you pretty much just need to have the guts to try flips and stuff while ur up there without being afraid of crashing.
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Skiing is not for the simple minded, that's why they invented the snowboard.
skihood.com