bitcoin is not profitable anymore. you should try altcoins. but if you will keep your bitcoins you can mine.
Bullsh**
For both BTC or altcoin mining only 2 things matter:
Cost of your electric
Being able to deal with the heat and noise produced
Cover those 2 things and you are Golden. The >US$8k/mo in gross revenue my 240THs farm makes is hardly chicken feed.
POS or proof of stakes coin does not require any of those. You can mine even if your pc is turned off but it needs to have some capital because you have to buy some coins that needs to age in your wallet before it can start mining. You just need to join supernodes and you are good. You check see NEM so you can find out how to mine by pos.