Gold doesn't grow on trees, but lumber is a superb way to generate gold at RS gold. In fact, cutting everyday trees to gather regular logs already yields a sufficient amount of gold for starting players.
Last, but definitely not least, are buying and selling items. This is not a Runescape skill per se, since it does not have any numerical level. Rather, it is an in-game endeavor that's solely dependent on the player's individual ability.
Just as in other MMOs, the kind of trading in Runescape that's focused on making money is all about buying items which are economical but highly sought after, and then selling them at a higher price. If you buy raw materials and then refine them into useful items, you may reap even greater profit than you want from simply reselling the materials.
Anyone who's attempted to perform serious trading in other MMOs cheap OSRS gold that knowledge in costs and player demand play a huge role in success in this particular activity. Therefore, in the event that you would like to try your hands at this have patience, then be ready to do a little bit of research, and expect some trial and error. You definitely will not get this at first, but when you do you will begin earning a lot more.