Saving for retirement is challenging and sometimes overwhelming work. It's a reality borne out by the numbers: half of American households over the age of 55 have no retirement savings at all, according to the Manhattan Institute. Furthermore, about 40 percent of households headed by people aged 55 through 70 lack the resources to maintain their standard of living during retirement. So, when members of the FIRE movement (Financial Independence Retire Early) brag about accumulating so much wealth they're able to retire in their forties, or when marketers target you with early retirement proposals and gimmicks, it's best to view such claims with a hefty dose of skepticism. Few people manage to save enough money to retire on time, let alone decades early. Here are some of the myths about the ways to successfully retire early.