Nowadays, Bitcoin mining is a specialised business and not profitable for everyone. Therefore, we strongly encourage anyone interested in mining to do his/her own research and make the necessary calculations before investing any money into the operation. This short overview of Bitcoin miner profiles can give you an idea of how much strategy and understanding is required to mine successfully in the modern industry: https://braiins.com/blog/bitcoin-mining-profiles-the-investor-the-entrepreneur-and-the-prospector. 

The most important factor is, of course, electricity prices. For the majority of households, prices are simply too high, making Bitcoin mining unprofitable. You can check the current break-even electricity price for every popular Bitcoin ASIC with our Cost to Mine 1 BTC tool. To estimate your mining profitability, try our Bitcoin Mining Profitability Calculator.

Related questions:

• What mining hardware should I buy?
• What is cloud mining?