This sport would be really lame is there was no risk involved. The high of the risk and the reward of making it is why many of us got into it in the first place. Some people are content on mowing the lawn or throwing some jump every once in a while but personally I'm glad there many more people like...
stick with one kind as you will be able to use the same kind of bar...Although I don't use them now, I started off with Waroos and would highly recommend them as beginner and intermediate kite. They're durable, predictable, safe and fly really well. Plus they are cheap, you really can't go wrong...A...
you're not gonna get the same hang time with a 7m as 9 or 12, but since it's so fast you get whip it really quick and get good height..you just need nicely powered