Opening, running and managing a restaurant is a challenging task and comes with major expenses. Food and labor remain among the biggest expenses, but surprisingly, overhead costs like credit card fees ...

Delaware's Big Fish Restaurant Group, which merged with Atlas Restaurant Group in June, will start charging servers a 2% processing fee for tips paid by credit card in the new year.

Every time a server drops a check presenter and you scrawl a tip on the credit card line, you are triggering a small but intricate financial system. Money moves from your bank to a processor, then to ...