Married retirees are lucky enough to benefit from two monthly checks, but most people rarely get more than this. However, in November 2024 only, a lucky few beneficiaries will receive three Social Security checks -- or as many as four for some married couples. But before you celebrate too much, there's an important caveat you need to know.

December’s Supplemental Security Income payment, worth up to $943, will go out to millions of beneficiaries in four days.