Dining Poll: Do You Prefer to Leave Cash or Credit Tips at Restaurants? Caroline Potter April 9, 2012 3 Comments FacebookTwitterGoogleLinkedInAs a former restaurant worker, I will say that cash is king when it comes to tipping. When I have a full wallet, I almost always try to leave a cash tip. What’s your preferred method for tipping? Weigh in on today’s poll! Which method do you prefer for tipping a server?