And what country is that? If you're comfortable sharing.
Of course the coin thing somewhat relies on coins of mentionable value being in common circulation, which rules out the US from the start.
Here few people still carry coins since contactless, but most still have a fake euro coin somewhere on their keyring or in their car for shopping carts.
They hand out these fake coins, which are usually branded with the supermarket's logo, for free inside the shop. But the system still works because having to go inside for a new coin negates the saved effort of not bringing back the cart. And there's probably some feeling of discomfort associated with abandoning the cart with your coin still in it.
The US $.25 coin is similar in size to the .50 euro coin (about half the value). It is in common circulation and most people still have them. Most people I know keep a stack of them in their car for use in the carts.
Of course the coin thing somewhat relies on coins of mentionable value being in common circulation, which rules out the US from the start.
Here few people still carry coins since contactless, but most still have a fake euro coin somewhere on their keyring or in their car for shopping carts.
They hand out these fake coins, which are usually branded with the supermarket's logo, for free inside the shop. But the system still works because having to go inside for a new coin negates the saved effort of not bringing back the cart. And there's probably some feeling of discomfort associated with abandoning the cart with your coin still in it.