This is not the first time a shopper has complained about being asked to tip at self-checkout machines despite having zero interactions with an employee. Cash registers at airports, stadiums ...

and people are even being asked to tip self-checkout machines with no human interaction," WalletHub noted. The survey also questioned Americans on their knowledge of why tipping in the U.S. is ...

Customers routinely tip service workers, but many shoppers are perplexed and even angry to find some self-checkout machines prompting them to leave upwards of 20%. WSJ reporter Rachel Wolfe joins ...

How do you feel about tipping these days? According to Fox News, some 90% of Americans feel tipping has gotten out of hand.

In 1986, a company named CheckRobot invented self-checkouts. They claimed to reduce long lines, human interaction, make ...