Heads up! Men and millennials are stingy tippers

A recent study by CreditCards.com finds men and millennial-aged folks are less giving when it comes to tipping waitstaff.  Fortunately, women and baby boomers make up the difference.

But it’s complicated.  Millennials outpace all others in terms of how much they tip (22%) when they do leave something while boomers average 17 percent.

Here’s the low-down…