Coal mine
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| Cost | $250, 1,000x wood |
| Total Cost | $400 |
| Inputs | N/A |
| Outputs | 8x coal |
| Production interval | 10 seconds |
| Production/Min | 80x coal |
| Profit/Min | $9.60 |
| True Profit/Min | $9.60 |
| Profit/Hour | $576 |
| Return of Investment/Min | 2.4% |
| True Return of Investment/Min | 2.4% |
| Aliases | coal mine, coalmine |
The coal mine is a facility that produces 8x coal every 10 seconds. this is best budget option for high profit in early games with high ROI. it also works very well in mid until late game for Coal Power Plant.
Related facilities
As input
