How exactly do you merchant?

buy low sell high wow im good

ok well thanks

well…u buy stuff (in blluks) for cheaper and sell for more

*i buy willows 30 and sell 40each ( i buy 40k at a time)

==================BIG SUGGESTION=================
when you merchant, get items you can use, like snataclause, he would be able to fletch willows, so do runes, ores, coals, (I know) etc.