Delve gold drop rate

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Pashid wrote:

People actually forget the point that they are expected to put a lot of work into gold farming if they want to sustain high level workers on all stations all day long.
Your gold cost if actually not that high if you do the bare minimum of what you actually need.
Having smelters run all day long or miners for metal that you don't need in the end is a gold drain.
Keeping the disenchanting busy with too much work for way too much dust is also just a worthless gold drain.

But there's no lack of gold if you do the bare minimum of useful things that you actually do need or profit from.
Delve alone can easily sustain farmers, shipping and mapping.