I know tons of people who don't invest in 401k because they don't understand. I know tons of people don't know how our income tax rate bracket works. I just l

I know tons of people who don't invest in 401k because they don't understand. I know tons of people don't know how our income tax rate bracket works. I just learned yesterday that you can invest in bitcoin using self directed IRA. I am trying to figure out how to do it, but kind of lost.