It’s funny calling the prevailing opinions on (I’m assuming) online crypto investment communities as “conventional wisdom”. These sites are filled with garbage information from teenagers.

Many investors in the space will sell when it’s high, and buy when it’s low. This is a highly speculative investment, and shouldn’t be treated like stocks or other investments.

You hold a diversified portfolio of stocks because companies on average will eventually will grow or pay a dividend.

Crypto though? It could easily crash and never return at any time, and has crashed dramatically multiple times before.