Dotsie, I think we only have one grocery store that has the quarter-carts. And you get your quarter back when you return the cart. It's located in an area where many people don't own cars, and take the carts home with them. The quarter is probably an incentive to return them.
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When you don't like a thing, change it.
If you can't change it, change the way you think about it.

(Maya Angelou)