Several companies allow this. A well-known shopper and his wife do this all the time.
@mysterioso412 wrote:
Except, if they were unionized then, they had much better wages. My gram worked for a Shop-rite grocery store in the 70s/80s, and I remembered a strike when I was a kid in 1984, so I looked up the newspaper articles, and a main point of contention was the management wanting to eliminate double time and a half for Sunday work, which I don't think exists anywhere anymore. They ended up with a 19.5% increase over 41 months, but the Sunday pay was eliminated. And it says improvements were made to benefits and pension, but doesn't say what.
The contract where I work was just negotiated and it's less than 10% increase over four years, and increases in health insurance premiums, co-pays, and deductibles. But we can now use five of our sick days to take care of an ill spouse, which we couldn't previously do...