If you combine it with another stat e.g. cooking
If you dont combine, it is not possible to make money by firemaking.
OR
In a quest where you need to firemake, you might make cash from completion of the quest or Achievement Diary.
Runescape money is used for several things throughout the game. One would need Runescape money for things such as skills, magic, firemaking and cooking, crafting and prayer.
Flethcing, Firemaking
202.5xp per log that is used for firemaking.
maple
Cooking, Fletching or Firemaking.
90xp.
magic logs. I think its 75 firemaking.
less than 3 months
There are no money cheats in RuneScape.
this will entirely depend on how many hours a day you plan on training with these and what your current firemaking level is.
144, 679 willow logs, which equals to 2,025,506 GP if you want to buy them all.
as long as you want baby, i can go forever