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/1506234326853238791Airdpops allow to get tokens for free for supporting the project. Useually airdrops does not require any special knowledge and allow to participate all users.
That is why airdrops are very popular and in demand.
Airdrops is a good opportunity to earn money. That is why airdrops attract a lot of people. It is a good opportunity to get tokens of new an prospective projects for free.