If you haven't finished The Eyes of Glouphrie pursuit at level 9 you will be crafting Earth Runes which are quickest RuneScape gold at this level. Earth Altar can be found north-east of Varrock, only before the Lumberyard. To get to level 14 you will need to make around 8 trips. If you want to earn those quicker you can use Varrock teleports and Lumberyard teleports although it is going to cost you a bit more.
Because of that, you want to buy Ring of Duelling that gives you quick teleport to the Duel Arena. After you run from this place into the Altar and produce your runes you can teleport to Castle Wars with the same ring. From the reception room, you will come across a chest at which you can bank everything you created and choose clean essences for your next trip. Craft Fire Runes for about 20 excursions and you'll hit level 23.
At level 23 you unlock the ability to train Runecrafting with mix runes. To craft, those plays need Earth Talisman, Fire Tiara, Earth Runes, Pure Essences, and Binding Necklace. In addition to making excursions more effective Rs gold 2107 players can utilize Magic Imbue spell (82 Magic + Gamble Diplomacy) which will allow crafting Lava runes with no talisman. It is also worth noting that both biggest Rune Pouches needs to be accepted as the time necessary to empty them is not worthwhile for lower ones.