Right now is the hardest time.  I sold a lot at the top but I have 25% in the current market.  I might have to hold out for two years before things go back up.  This requires you to

Not need the money
Be ok with letting it wait for years

The big investors are going to eat the current market alive.  What if ETH went down to $300 after all the retail investors burned.  Then a year from now goes up to $4000.  Everyone was so happy the big boys were coming into Crypto not realizing they are probably the reason people are going to suffer.  An investment firm can make a billion-dollar bet.  A retail investor is looking to pay the bills.