A sizable two-thirds of Americans said they felt expectations for tipping had grown over recent years.

Tipping , in their minds, can do or show a few different things, and for many it depends on the situation. Some see it as a way to show appreciation or help compensate people for services. (Older Americans were a little more likely to say this, as were people who said they work in a job where it might be expected.)

But there are others who generally see it more as an added cost, making them pay extra.

When people did think it was becoming more prevalent, few of them thought that was a good thing.

That may at least partly be a function of the fact that over recent years, in so many other polls and across many income levels, Americans have said that prices and costs had become a c

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