Shit coins doesn't mean you can't make profits from that coins, you can still make profits but we can't be sure how long those coins will exists in the crypto market.Shitcoins are nothing but another coin with the no real purpose of existing.So you need to be careful while holding those coins.
So many coins are created to become a pump and dump coin, their lifespan is very short you can possibly lose a lot of money if you keep holding shitcoins and you donot know when to exit, you will burned holdingshitcoins and they are the scorned of the industry, it's better to focus on coins that have proven their worth for a long time already.