If I were such a newcomer. I would just spend all the time here on the forum and read some interesting and informative articles on cryptocurrency. It has everything you need to start and even more.
As a newcomer, of course, you must be diligent in finding information about crypto, which is what crypto is, how to have it and how to trade profitably so that you don't get the wrong perception, because many think that crypto trading is gambling or fraud.
After knowing the ins and outs of crypto just starting with small capital to learn while trading directly, there is no need to buy bitcoin but can buy altcoins that have lower prices. Must be diligent in looking for information in order to gain profits in trading.