Grand Chase Dimensional Chaser/Farm Gold

Expeditions
Expeditions are one of the easiest ways ways of earning Gold. Made even easier/faster by buying the... "Expedition Double Reward Buff" from the Item Shop. (7 Days) is the best value.
 * (1 Day) 600 Gems
 * (3 Days) 1,000 Gems (45% cheaper than 1 Day)
 * (7 Days) 1,500 Gems (64% cheaper than 1 Day)

PVP
Max out the daily limit. The limit is increased based on Account Level.

Dimensional Boss
Max out the daily limit. The limit is increased based on Account Level.

Daily and Weekly Mission
Completing all Daily Missions will give 60,000 Gold. Completing all Weekly Missions will give 600,000 Gold.

Wizard's Labyrinth
Not recommended to select Gold. Priority should be
 * 1) S Rank Hero
 * 2) Monster Cards
 * 3) Gold
 * 4) Prana

Requests
Not recommended to select Gold. Priority should be Though this is completely dependent on what you pull, and what type of resources you need, another method is:
 * 1) Evostones
 * 2) Monster Cards
 * 3) Blessings of Valor/Gold
 * S) Evostones
 * A) Evostones
 * B) Monster Cards
 * C) Gold