Welcome! You're gonna have a blast! As for racks, you can go factory but to save some cash I've actually had great experience with my last 3 wakeboats using the krypt racks (you can score on ebay or their site). I put 2 removable surf/wakeboard racks on my Craz and love it, and now have 4 total racks so zero issues with board storage (if you're anything like us it fills up FAST).
As for cleaning I've always kept it really simple. I do a 1:4 vinegar/water mix out of the water to get the crap off, towel it dry, then do a quick spray wax. Quick easy and has kept my stuff beautiful for years. I have a black main and get constant compliments. For interior I do a vinyl cleaner each outing and a conditioner every 3 or so. I use Babe's brand, mostly because the smell of the stuff will make you want to bathe in it lol.
Here is a pic of mine with the racks on ithttp://uploads.tapatalk-cdn.com/2016...896c7a3dee.jpg
You can zoom in to see the clamp on the tower.
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