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.
the advantage when you are in trading is the more TAs, information for the project, the better your chance of getting profits. however, when it comes to gambling and you are playing those casino classics like dice, which is luck-based game, even if you know martingale or any other strategy, the guarantee of winning will still be slippery. i won't compare trading and gambling. you have more chance of getting back your money from trading if you know what you are doing. but in gambling, even if you know what you're doing, if luck is not on your side, you will get rekkt fast.