1.4K+300=1.7K*3 = 5.1K = not a profit. Good luck with crafting, maybe try flax or something. His math is right...yours is wrong. you dont ned 3 nats to high alch. (1400 * 3)+300=4500.
Click Profile at the top of the screen, and under Profile Information there is an option to enter your Runescape Username. Its just below Location and just above Signature. EDIT: fixed spelling