please suggest me some best altcoins that can easily give 2x profit if I hold them 1-year.
I cannot mention on which best altcoins that you mean can easily go 2x in a 1 year.
Well if you want that kind of coins one of I remember is only bitcoin or etherium, This two are most trusted and can get you more profit a 1 year if you hold it for so long.
And in comes of altcoins I dont think so it they have cause of this value of altcoins are in dip always and we dont know on when they start increase the price again.
Safe investing is still the option that should be encouraged during this time, and I think it won't take long to make a double profit because the fact that Bitcoin has increased by more than 300% this year. The crypto market is becoming more popular and investors tend to hold a lot so I'm sure 2020 will be the most powerful development period and the opportunity to earn profits will be very high.
Now BTC, ETH are at very cheap prices today and let's start a new investment strategy to make a profit in this market.