guide name: merchanting (runes)
materials: 500k-1m cash
req: basic merchanting knowledge
step 1: start at the grand exchange and purchase any of the following runes, water, earth, air, death, or nature.
step 2: purchase 10 of any rune for 2-1 less than normal price, 10-5 for death or nature runes.
step 3: if they purchase sell them back for normal price or 1 higher than what you bought them for.
step 4: if they dont sell within 5 minutes go 1 gp lower. note: IF THEY DONT SELL ST THE PRICE YOU BOUGHT THEM FOR !do not! merch them go to a diffrent rune.
step 5: if they do sell quickly buy as many as you can and sell them for the price they would sell for.
step 6: you may need to wait some time for them to sell.