707 × Raw potato (519,645)
Potatoes can be found in potato fields, and the best free-to-play location is north of the Lumbridge cow pen. Starting off at the Varrock lodestone, walk the road south, going through the fence. The potato field is directly to the south east. Use of Surge can reduce travel time.
Pick the potatoes - travelling diagonally along the rows is most effective. Members can store potatoes in sacks to reduce the amount of time spent banking, and increase profit earned per hour. Potato seeds are sometimes obtained from picking potatoes on members worlds; it is therefore recommended to do this method on a free to play world.