Some coin might have good Supply but low liquidity, some might have high market capitalisation but very poor volatility. Although it's hard to predict the accuracy of a coin performance in the near future this why it is always advised to stick to the known which is BTC.
Another option is to spread ones portfolio amongst different coins but ensuring the have a greater percentage in projects with a visible future. It is better to win small and lose less than lose more and win less
Since we are in the trading business, it will not be lost here that the capital that we will use in the coin that we want can give us a big profit in the future.
However, we should have a so-called advantage in choosing a potential coin, even if it is a new coin in this industry. Because we can really see new potential coins as long as we know how to analyze them, there is really a good future in this business industry.