Moving out of home...

17 and wanting to move out of home due to personal reasons but i wanted to get a view of what everyone thinks about it, i currently dont have a job and am studying VCE year 11 at Tafe but i really need to move for me to be safe and to be happy. i found a unit for a really good price but does anyone recon Centrelink will help me out? or anyone think its a stupid idea?  
please help me im stuck and just dont know what to do.