Originally Posted by
Tage
Those prices are bound to come down... sell as much as you can now, while the prices are high.
In Newfoundland marble and hardwood planks are currently trading between 10 and 15 coins per stack, and tools not much higher.
You'd get less than 200 coins for the materials needed to build the mines, so I've stopped selling and am building mines instead.
A fully buffed (18 hours per day, resting 6 hours) gold production chain gives 300 coins from each mine.
And yes, everyone who is mining gold ore, is certainly having them active only when they are buffed.
If not, put them to sleep and wait till they can be buffed again.