Can you tell me the reason why you want to mine a fork of Bitcoin? It is indeed on the top 50 coins according to market capitalization, whereas the competition to mine it will be high and it won't be easy for you to get the block rewards if you are a solo miner.

As you have mentioned that you are a newbie it is better for you to first do some research on mining cryptocurrencies. After you have done your research you should visit this website whatotmine to understand which cryptocurrency is trending for miners and what are the block rewards that you will get. Remember that not all coins listed on that website are genuine as some of them are created by scammers to use your hash power.

First do your basic reasearch about the kind of investment you need and the amount of electricity bill you will need to pay then venture into the mining ecosystem as a miner.