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 ...

If you were to look at the percentage of times I actually have cold, hard cash in my wallet, the number would be low. It seems like you truly need it less and less these days. I can scarcely remember ...

Most people think tipping with a credit card is the same as tipping with cash. After all, 20% is 20%, right? But if you chat with anyone in the service industry who primarily gets paid in tips, you'll ...