Choose an altcoin that has been registered in a market that has been circulating in every exchange market, it is safer, can reduce the risk of things happening that you don't want, it can also be a short term or long-term investment if you join a new project you have to be really careful in choosing
That's right, we can also make direct calculations if the project we are participating in has the tokens registered on the exchange, so that before participating, everyone can do research on the amount of profit he will get when the project is completed.