Leave your job at 55 and tap that 401(k) penalty-free, years before 59½.
Most retirement savers grow up hearing a single hard rule: touch a 401(k) before age 59½ and the government adds a stiff penalty on top of the ordinary tax owed. That is broadly true, but it comes with an exception that many people who leave work in their mid-fifties never hear about. The tax code…