A $100,000 salary no longer buys you a middle-class lifestyle. Here’s why it costs so much more now.
A $100,000 salary may be considered middle-income in many parts of the U.S., but it’s no longer a ticket to the middle class. - MarketWatch photo illustration/iStockphotoDavid Sweede and his wife pay $2,900 a month to rent a house near his parents in …