One of the rogues best gold making abilities is opening lockboxes. Once you level to ten and you learn to open locks, you should stay on top of this skill all the time, leveling it as high as you can. There are always other players asking for someone to open a lockbox and they will always offer a tip. While the lower level boxes won’t bring you tons of gold, once you reach a higher level with this skill, you will start to get bigger and bigger tips.
Another great ability of the rogue is stealth and pickpocket. While in stealth mode, you can pick any humanoid’s pocket, but you must be careful as this can agro some of them quite easily. Stealth will also constantly get you picked up by a group, as it’s great to have a rogue who can scout ahead for mobs and bosses. And, although it’s a bit rude, you can always steal some of the money or loot before anyone else knows!