My personal favorite method to make that quantity of Runescape gold pretty fast is to locate cheap items to disenchant about the Auction House and then change and list the mats I get or rely on them to create scrolls and list those. In my opinion, just re-listing the mats can get you 1000 gold faster than making scrolls though.
A lot of players will sell the things they loot while questing and doing instances at extremely affordable prices. Green items don't sell that well, so its not difficult to find great bargains. (This is also an excellent, cheap method of getting mats to power-level your enchanting skill.). You can definitely find that level 80 mats do not sell as well as mats for enchants at other levels, even though there is more demand for enchants at 80. The auto-disenchant button for instances has truly flooded the marketplace there. You can still make gold on these, but you will make more on lower level mats. The very best company is lower level characters looking for cheap enchants or 80s looking to power-level enchanting by purchasing all of the mats they require from the AH.
Auctioneer Disenchant Searcher
I use Searchers in Auctioneer to automate this. You can find it on the Search tab under Searchers -> Disenchant. This can be used method even if your enchanting skill isn't maxed. just make sure that you simply set the Custom Levels setting in the searcher so only items which you will find the skill to disenchant are found. To make this faster and remove all the crap deals, set your minimum discount to 50%. If you achieve a lot of hits at 50%, push it even higher. Also set a minimum price getting started around 3-5 gold and pushing it higher provided you are receiving good results.
It might be tempting to simply look for items which earn profits if you purchase eden gold immediately in the Buy Out price. But many of the very best deals originate from bidding and being a little patient. A lot of sellers list items for at or above market price on their Buy Out price, but a really cheap minimum bid. When you're buying green items, most likely you'll win the bid on an acceptable percentage of items as well as your profits will be better.
If you have so much cheap wow gold or tera gold cheap, now you must know how to turn them more and more.