This is what you do, you merchant buy low and sell high. First (for f2p people) if you have around 40k start by buying rune full helms for 20k and selling for 30, eventually when you get more money you merchant with higher stuff like god armor or santa hats. If you are a member than a good thing to do is buy laws for 300 each in world 66 drayanor bank then sell them on the forums for 350 each. Its fast and easy... and by the way I am sure the guy who started this thread makes money by charging people to hear about how he makes money.