Making big profits by investing in Altcoin, I think it's still very difficult. All depends on market conditions or Bitcoin. If the market can go up and Bull Run happens, I think you can get a lot of profits. And this is what everyone expects, but in trade, we must be patient.
Some people prefer to buy the stack of crypto and HODL till the market conditions get better. It is all about the mass adoption and these guys will not regret it.
When mass adoption will happen those are storing their crypto anytime can become the next millionaires. It looks like the market condition gets better and better time to the time. Mass adoption will come if there was a good trend,