Sounds like you are misguided by some mischief people as there is no defined hidden gem category in crypto space. All you need to be taking care is, avoiding shitcoins and investing into only famous coins. This way you might need to invest only in bitcoins and few other altcoins if you are not at all ready to risk even at 1%. Bitcoin, eth, bnb, ada kind of famous coins are known for steady returns and your capital will remain secured unlike shitcoins may get delisted from exchanges which may end up losing your capital itself.