For every group of Americans making $40k, there's a bunch making $30k. So there's no reason why some family making $40k can't save $5k every year. What's more

For every group of Americans making $40k, there's a bunch making $30k. So there's no reason why some family making $40k can't save $5k every year. What's more, there's an entire group of people in this country that give up 10% of their income to their church. They're called Mormons. If they can get along, then so can everybody else, saving 10% of income per year. The reason they don't is because they choose to.