Buy Yew longs 600 each, buy nats 300 each = 900 each 1 alch = 768 gp so you'll lose 132 gp per alch. Method 2: get your own BS, your own yews and string them together. You can also make you own nats so you will make the full profit with 768 each. There are many other methods like buying Bs and logs.. and string them.. just find out your own way.