Article in English: One of the best ways to make money in Aura Kingdom is through the virtual auction house. If you get familiar with the market, you can buy low-priced items and then sell them at a higher price.  You can find these Auction Houses in the Navea City and Guild House. To locate them, check your mini map for the $ sign. If you are in a guild, simply open your guild window and then press "Guild Hall" to teleport into your guild house (this is only available for players with that have guild level 4). Buying and selling requires patience, timing, and the ability to know the Aura Kingdom item prices. The Auction House is best for items that are not rare, as you will not lose out on profits due to the 10% commission. Click the NPC to open the auction window where you can see the list of categories, including the item quality, option for prices, keywords, and level range. The Auction House, AH for short, is used by many players in-game.  If you're planning to have an item listed for auctioning, keep in mind that you will be charged 10% of your listing price upfront. You will not get this money back even if your item doesn't sell, so make sure you're listing at a fair price. Items in the auction will remain in the list up to 24 hours. If the items are not sold during the time frame, they will return to the owner. As mentioned, buying and selling is a good way to earn gold quickly in the game, but you must have the knowledge of the market price to avoid hurting your profit.  To purchase an item, click the Purchase tab, found at the upper-left of the auction window. Choose what item you're going to purchase by clicking the type under the category, then type in the name of the item under the keywords (make sure that the first letter is Capital), and then hit Enter. You can browse the list by pressing the next button that can be found at the bottom part of the window until you find your desired item. Click on the item and then hit Purchase. The item will go straight to your mail. Remember to buy low, sell high. Open the...

Summary in Indonesian:
Pergilah ke Auction House di Navea City atau Guild Hall. Berbicaralah dengan NPC Auction House. Belilah barang. Jual barang.