Despite how the media portrays it, Bitcoin is not a waste of electricity.
It is the most efficient banking system in the world. Traditional banking costs 2 times more energy than Bitcoin .
Mining is not a money tree.
In mining, you are responsible for validating the transactions in a block of a blockchain. In reward, you receive the commission for processing the transaction. 
Since the price of Crypto is volatile, one may want to apply dollar-cost averaging (DCA) strategy , and mining is the best option because:
Mining is buying Bitcoin at the price of electricity cost everyday.
In BITEXECUTION, we believe in ESG investment and social responsibility.
Our Electricity Supplier CLP has provided us a clean energy mix with a bulk tariff discount.
With 48% of energy comes from Natural gas and 36% of energy comes from nuclear fission. Both are considered to be carbon-neutral. The overall electricity rate reduction is set to be more than 30% in comparison with the residential rate.
Renewable energy (1%)
Natural gas (48%)
The profit margin of cryptocurrency mining is high compared to most industries in the economy. Given the growing market cap of the cryptocurrency driven by more applications such as NFTs and de-fi projects, we can expect the current estimation is conservative.