TAMPA, Fla. - Following a test by Sweetbay here, shoppers in thousands of U.S. supermarkets will begin seeing more colorful coupons presented to them with their receipt at the checkout lane. That's ...

Does it matter if you print coupons in color or in black ink? It doesn’t — your coupons are valid either way. However, if you choose to print in black ink, your coupons may resemble photocopies at ...