Facts about 401(K) account are the following:
1. Employee contributions to a 401(K) are tax deductible
2. The employer's plan may not discriminate against lower paid employees
3. You cannot put into more than 25% of your earned income which is counted w/your employer's contribution
4. Growth within the 401(K) is tax-deferred until you withdraw your money
5. If/ when you die, if you are married & have a 401(K) your SPOUSE IS THE BENEFICIARY. Federal law says that the spouse is the beneficiary UNLESS they waive their rights
6. Tax sheltered but you can only put your money in investments that have been approved by your employer (diversify! Don't invest in your company's stock, look at the fees)
7. You generally cannot withdraw funds without penalty before age 59 1/2 except under special circumstances.