Key Points Giving up your workplace match is something you might kick yourself for. Ignoring investment fees could leave you with less money. Passing up a Roth could leave you with fewer options and higher taxes in retirement. The $23,760 Social Security bonus most retirees completely overlook › If you're contributing to a 401(k), you're already doing your part to set yourself up for a financially stable retirement. And that's something to be proud of. Many people kick off retirement without per ...