Just think about which coin would probably survive along with this bear market and choose the coins that we know it will surely pump during the halving.

It doesn't matter with your young age as even a 10-year-old can invest.
What just you need is to become familiar with the market, checking on the https://coinmarketcap.com/ gives you an idea of which coin would like to buy. Yet, it was important for you to conduct research...But I suggest buying Bitcoin.