I feel 2017 gains was a once in a lifetime opportunity and we won't see anything like it again.
January 2017

Many of the top 100 coins with a considerably small investment could have made you a millionaire today, and congrats to those who are.
$10000 in ETH at the time and you would never need to work again.
I just can't see these gains happening again, but anything can happen
yes those days golden era. because all investors moving that era. those days actually all are buying and not selling also. so always booming we can see. now the thing is, if exchanges are closes or restrictions put all panic and sell. we can see that type of bright middle of the year