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/1506234326853238791The most prospective is to find most prospective for investment tokens.
That is why it is necessary to evaluate the potential of the coin and check everything before investment.
It is necessary to evaluate how usefull will be a project in the future.