Taxed when you get your income (income taxes) and then taxed again when you withdraw (capital gains). Traditional 401k and Traditional/Roth IRA allow you to onl

Taxed when you get your income (income taxes) and then taxed again when you withdraw (capital gains). Traditional 401k and Traditional/Roth IRA allow you to only be taxed once. (Defer income taxes until you withdraw or you take the income tax hit upfront but are not taxed on withdraw)