Retirement used to be a big-company perk

For a long time, access to a retirement plan was something employees got by working at a larger company. If someone wanted a 401(k), they probably needed a company large enough to have an HR department and its own benefits administrator. Many small businesses assumed prices were too high, with too much admin overhead, so many didn’t bother to offer one. That assumption held for decades. However, that has changed greatly over the last decade thanks to a combination of technological advancements a...