Tipping habits vary generationally and between gender — men and millennials are less likely to tip compared to women and baby boomers, but when they do tip, it's usually generous.
The decision to tip is personal, it seems, according to a poll of nearly 2,600 adults.
But there's some confusion — especially for younger generations — on how much to give and how often to give it.
"When in doubt, I think you should tip, particularly if this is a service provider you interact with regularly,"…