Fast of all Don't put all of your money in one basket. I would suggest you buy a free good altcoin that has a strong team and strong technology. I am suggesting you some good coin here and you may invest your money at those coins.
Matic Network (MATIC) https://matic.network/
Chainlink (LINK) https://chain.link/
Cardano (ADA) https://www.cardano.org/
Binance Coin https://www.binance.com/
Basic Attention Token (BAT) https://basicattentiontoken.org/