An 'expensive' 401(k) fee is around 2%, but most people have no idea what they're paying

BUSINESS INSIDER (Eric Rosenberg): A 401(k) is a tax-advantaged investment account with much higher annual contribution limit than an IRA, and if your employer offers to "match" — i.e. contribute to the account as you do, matching a percentage of your contributions — most people consider that free money. READ MORE....