For long term investment, go to Bitcoin only. that's proved coin in cryptocurrency. nothing which is better than it
you can check domination and youll know that Bitcoin has big domination in cryptocurrency
make higher % amount of your capital. at least 70% to Bitcoin. just buy and hold it. make it easy

if you wanna play short term. then dont too confuse with choice, just use technical anlysis and choose which gives good signal to you
buy and set stop loss to avoid big loss. do that and then learn from your mistake
in the future Im sure you can be great trader if you have consistency and patience.