Illustrative earnings per mine
🪨 RockMost common · lowest earnings
Chance per purchase60%
Without boost$0.002851per month · $0.000095 per day
With 20× boost$0.057020per month · $0.001901 per day
⬛ CoalCommon · better than Rock
Chance per purchase30%
Without boost$0.004147per month · $0.000138 per day
With 20× boost$0.082940per month · $0.002765 per day
🟡 GoldRare · higher earnings
Chance per purchase9%
Without boost$0.005070per month · $0.000169 per day
With 20× boost$0.101400per month · $0.003380 per day
💎 DiamondVery rare · highest earnings
Chance per purchase1%
Without boost$0.011405per month · $0.000380 per day
With 20× boost$0.228100per month · $0.007603 per day
The mine type is assigned randomly when you buy it. Official probabilities.
Historical Level-1 examples from the 24 July 2026 guide, using a 30-day month. These are not verified current rates.
Important:
All amounts are in USD before withdrawal fees. Currency conversion or payment-provider charges may further reduce the amount received.