As long as they are clues can earn you a whole lot of gold. Contrary to what many say, do not begin with simple clue scrolls RuneScape Gold. Instead, try to get middle ones when you've reached the 30-40 stage. While clue crates are able to drop nearly anything, they are less absorbing money making strategies for beginners, which is why our advice against easy scrolls.
This is something more like tips than a straightforward step-by step instructions since it requires creativity as well as some kind of entrepreneurship from the player. So as we all know massive groups of people are mowing through popular mines and killing zones every day, every day of the year.
Oh, and good luck! It's all about how you'd like to proceed, personally, I hate runecrafting but don't require the cost, so I go to the market frequently to get effigies that I can use for runecrafting, as well as helping others with their RC effigies (91 onwards, I'd recommend this, as it's a cost-free 30k XP per day in RC)
I'd recommend using the penguins as well for a fast gain once every week since it all adds up into a large XP amount in the time it will take for 99 Runecrafting. Alternatively, when free trade comes back , we'll be seeing the growth of Air Law, Air and Double nature running again which is a preferable method Buy RS 3 Gold, to just be at the altar all day and have others bring the essence to your life.