Pension Benefit #1: Using Pre-tax Money Means an Instant 20%-plus Accelerator. Retirement accounts offer you a deal: you promise to invest your money for the long term and, in exchange, they give you huge tax advantages. Because the money you’re contributing isn’t taxed until you withdraw it many years later (that’s why it’s called “pre-tax money”), you have much more money to invest for compound growth – usually 20-45% more, depending on your tax rate. Let’s look at a regular investment account (a “non-retirement account”) first. If you open one of these at any investment brokerage, you don’t
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