That's a big part of where the market ate the sudden surplus when two-income household became a widespread thing. That's what markets do: if people, on average, have X$ more disposable income, the prices of everything will adjust until X = 0.
The "on average" in the sentence above is key - those whose surplus of money was less than X end up worse off.
The "on average" in the sentence above is key - those whose surplus of money was less than X end up worse off.