Some household bills have gotten so large that one paycheck can disappear before the grocery bags even hit the kitchen counter. Housing, child care, transportation, insurance, and other everyday expenses can turn the old one-income household model into a financial juggling act with very little room for a dropped ball.
That does not mean every household needs two incomes, or that one-income living has become impossible everywhere. Location, debt, family size, lifestyle, and housing choices make an enormous difference. Still, several major expenses now consume enough of a household budget that relying on one income can require serious tradeoffs, careful planning, or a second source of money.
