It is wise to remember to avoid buying it when it is at the p :eak of its price. You should always try to buy it at the lower spot of price movement. It is easier to point out the perfect entry point when you are looking back on your past decisions.It is better to store your coins by yourself. You can do so using an online or an offline wallet. But depend upon the owner of account on where he / she comfort to invest there cryptocurrencies.
I agree there are a lots of good crypto out there, but for me, Bitcoin or ethereum will have potential, and it is also good for investing like for some beginners in crypto currency.