It's a very similar technique used to OSRS Gold Buy create Cosmic Runes. If you've completed the Lunar Diplomacy quest you can begin creating Astral Runes at Altar south-east of the village on Lunar Isle. Begin by taking Runecrafting Pouch, Earth staff, Law runes and essences. As you make your way to Altar watch out for the 111 Combat level Suqahs which could strike you very hard if your aren't praying for melee. Once you're finished making runes , make use of the Moonclan for teleportation and then go there to deposit the work you've made. This will net you about 800k gold and 30k exp in an hour once you reach reaching level 82. This is when you can craft double Astral Runes.
Another successful method for creating runes is via Abyss. If you have completed on Level 1 Enter The Abyss miniquest you are now able to use it to create Nature Runes and if not you will have to do the following to make use of this method. Begin by getting an amulet that will grant you glory, then taking to your Rune capsules as well as essences.
The wilderness is located north of Edgeville in which you will find Mage of Zamorak through a conversation with this Dark Mage you can teleport to Abyss. Inside you will be starting being skulled, which means that if you die you'll be unable to retrieve everything. Use one of the tunnels to travel from the outer ring into the inner ring. You'll have to clear obstacles such as mining rocks (which needs a level of mining), or cutting woods that block the path. take with you a cheap pickaxe or axe.
When you're finished with the ritual, head to this Nature Altar portal and make runes on the altar. Make use of Amulets of Glory to return to Edgeville bank, and repeat the procedure. Make sure to keep in mind that the majority of this process is done in Wilderness which means you may be at by other players.
It is worth risking it to get your Graceful Outfit since it can be easily retrieved but doesn't carry anything more valuable with you. Although crafting Nature runes only requires 44 runecrafting, they are most profitable from 91 when you can create two Nature Runes. At this level you should expect to Buy RS 2007 Gold earn around 20k exp, and around 800k gold every hour.