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TheTrapDon't pay for anything unless you plan on selling your work. I'd say start with the suggestions above, torrent them or whatever, once you find something that works for you and you could see yourself taking the time to master, look into it further.
I personally use Adobe Premiere Pro CS6, I have a torrented version and will continue to use the torrented version until I can bring in money through my videos which may not be for a while.