Keep doing it ste, take some more lessons (at least two or three), before you decide to buy and go by yourself.
Good luck, and keep it safe.

I'd highly recommend the trainer kite as well, I've just had 3 lessons and my time flying a small trainer before that (probably about 6 hours all up) made flying the big kites much easier.

If you're new to board sports wakeboarding is also highly recommended if you can. I'd never really done any board stuff before and after tearing through the kite stuff I spent the last lesson falling off the board...