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Evaluate the proximity to power grids, water sources, and all-weather roads. If you have to build your own power plant or haul water by truck, your "all-in sustaining cost" (AISC) will skyrocket.
Investors look for the "grade" (how many grams of gold per tonne of rock) and the "tonnage" (the total amount of ore). A high-grade underground mine might be more profitable than a massive, low-grade open-pit mine, depending on extraction costs.
A mine cannot operate without environmental and operational permits. This includes water usage rights, waste disposal (tailings) plans, and reclamation bonds—money set aside to restore the land once mining is finished.
Geography matters. A mine in a jurisdiction with a history of nationalizing assets or sudden tax hikes is significantly riskier than one in a mining-friendly region like Nevada, Western Australia, or parts of Canada.
A gold mine in a remote wilderness is a liability if you cannot get equipment in or gold out.
