Yes, it’s possible, but not with a couple of hundred dollars of starting capital. Think about it, for many professional traders, having a 50% profit on the year is considered a good year. If you start of with $200, and make 50% profit, you would have $100 profit. Is $100 enough for you to live off of? Not unless you live in a cave.
However, if you start off with $100,000 capital, and make 50% profit for the year, then you would end up with $50,000. Is that enough to live off of? Probably yes.
Yes, I know $100,000 is a lot of money. But you can start up with $5,000 and work your way up. You are still young. I would get a job and start saving, and on the side, continue to trade and research using a micro account. (Notice how I didn’t say demo account because demo accounts success do not translate to real account success). Anyways, once you know you can be profitable with real money, then you wouldn’t hesitate as much to put in $5000, or $10,000 or whatever you have saved up in your account.
Lots of people make great living as day traders. But it takes time and patience to get there. Hope this helps.
