I think not all coins are worth the investment. Because I see a lot of coins fail. You must be careful in determining your choice of coins and I suggest you invest in the top 10 Coinmarketcap coins. I see that the coin has a good volume and the transaction continues.
Yes bro. Altcoin price is not stable. So it any time to change the price. So people plan to invest and time to sell and buy the coin. If want to know more information of the coins. Marke is right place to choose the best coin. So check the market price every day. Then easy to track the best coin list.