No, it’s not too safe. Of course, if you use a weak computer and do not overload it, the PCR will be minimal, but you will not be able to earn tangible funds. If we talk about getting decent money, which will begin to be felt, then you need a whole "farm of computers", which is unlikely to allow you to maintain the security of your home. This is why mining cryptocurrency at home is almost impossible. I think it's much easier to install the https://stoic.ai
app for trading and buy such a currency.