There are many coins out there that are still mineable by crypto enthusiasts at home. People without mining farms make a profit using their GPU rigs. They don't mine BTC, of course. One of the cryptocurrencies that can be (and is) mined without the need to own an industrial-level data center is Monero....

As Bitcoin mining became no good for those who don't own a data center packed with high-end ASIC devices, people make money out of mining altcoins. No use in thinking that home mining isn't profitable. There are coins that are relatively easy to mine and are valued in the crypto markets. One of them...