Answer three questions and you will know whether this machine makes or loses money where you are. If you want to adjust the detail, the advanced settings are below.
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This chart is the whole business in one picture: the machines barely differ, the electricity contract decides everything.
A month is 30.44 days. No compounding, no assumed price rise, no depreciation, no tax. Those belong in your own model.
Coin price movement. The single largest variable. We hold it flat, because once you start guessing the price every other number becomes theatre.
Rising difficulty. Network hashrate grows over time and your share shrinks. This erodes income faster than most newcomers expect.
Depreciation and resale value. A used 6600 XT is a depreciating asset with a real second-hand floor. Both matter; neither is modelled.
Air conditioning. If the machine sits in a cooled room, raise the wall-power figure.
Tax. Mining profits from a business carried on in Hong Kong are assessable. Take your own advice.
Please read this before acting on anything above. This tool models the running cost of hardware. It is not investment advice, not a forecast and not a promise. We are a hardware supplier, not a licensed adviser. The revenue-per-card default is an estimate that goes stale within days — and you should assume that mining a highly volatile asset can lose you your entire capital.