The holiday season is here, and it seems everywhere you go there is someone with an outstretched hand expecting a gratuity. Whom do you give to and whom do you pass by? And what amount is appropriate? Here’s a quick rundown on the going tip rate for some of the more common service providers this past year.
Homeland Security guy who let you pet his bomb-sniffing dog your first time back at the airport:
$10.
