Before looking at the best way to know bitcoin is a conservative investment (a very impressive 10 year bitcoin trend that has many investors pouring money into bitcoin)… Here’s the best way to know bitcoin is not a conservative investment, but a terrible get rich quick scheme, “probably rat poison squared” even, as Warren Buffet calls bitcoin: Best Way to Know Bitcoin Is Rat Poison Squared You see bitcoin or another cryptocurrency’s ATH (All Time High) prices going higher and higher, and you think now’s not a bad time for a second mortgage on your house.