It is very difficult to predict the future potential of the coin because a lot of new coins appear every day.
But it is necessary to check everything and carefully study the product that projects offers.
The best way to get free tokens is to participate in its airdrop like this
https://twitter.com/CairoFinance/status/1506234326853238791Ethereum is overvalued. That is why it is not grow in price so much like new altcoins that appear on the market.
Investment in new altcoins on pre-sale stage allow to earn maximum profit for investment and attract many people.
Airdrops allow to get tokens of new projects for free. Many people participate in airdrops and constantly monitor the market looking for new projects to participate in different airdrops.