Should i move to australia?

hi i am 26 live in the uk and i am fully qualified window manufacturer and installer have all the paper work for them, i am thinking about ging to live in oz but am apprihensive about gong on my own as its such a big step in life how much work is there out there for my trade and about how much money would it cost for flights and visa etc and how much money would youu recomend taking out there to get started off