Jason Canapp saved $30,000 at Veterinary Orthopedic & Sports Medicine Group in Annapolis Junction, Md., by changing transaction-processing firms. "It really is a commoditized service," says Canapp, a founder of the profitable clinic, with about $6.5 million in annual sales. He took advantage of an offer to shave another 1% off transaction costs by getting debit card users to enter their PINs on a keypad instead of swiping them.
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