We must prepare many things including knowledge and practice with demo trading before we actually star to use our capital for investment or trading. Furthermore we must practice to use non custodial wallet, download, install, verify it and do backups, recover our wallet from backups. Because when we do investment in Bitcoin, it's bad practice if we don't use non custodial wallets and store our bitcoin on exchanges.
Yes, we also have that in gambling. When you play dice games there's a free play or free spins you can try it before you actually put a big amount on your account. We should learn basics of it, do not play when you are not ready or just want to follow someone. In trading you can do dca, but in gambling there's no dca you cannot adjust it and then have a profit, both thing needed to have to take a risk.